今天在某网站上发现了一个javascript的计算器，很有创意，而且功能也很强大。具体哪一个网站记不清了，代码纯为了学习研究，请作者见谅。
<
HTML
><
HEAD
><
TITLE
>
科学计算器
</
TITLE
>
<
META http
-
equiv
=
Content
-
Type content
=
"
text/html; charset=gb2312
"
><!--
written by GoldHuman li hai
--><!--
2000.8
-->
<
STYLE
>
BODY
{
FONT
-
SIZE: 9pt; BACKGROUND
-
ATTACHMENT: fixed; COLOR: #0001fc; FONT
-
FAMILY:
"
宋体
"
,
"
Arial
"
,
"
Times New Roman
"
; BACKGROUND
-
COLOR: #edf0e1
}
TD
{
FONT
-
SIZE: 9pt; FONT
-
FAMILY:
"
宋体
"
,
"
Arial Narrow
"
,
"
Times New Roman
"
; font
-
color: #
000000
}
</
STYLE
>
<
SCRIPT language
=
javascript
>
<!--
var
endNumber
=
true
var
mem
=
0
var
carry
=
10
var
hexnum
=
"
0123456789abcdef
"
var
angle
=
"
d
"
var
stack
=
""
var
level
=
"
0
"
var
layer
=
0
//
数字键
function
inputkey(key)
{
var
index
=
key.charCodeAt(
0
);
if
((carry
==
2
&&
(index
==
48
||
index
==
49
))
||
(carry
==
8
&&
index
>=
48
&&
index
<=
55
)
||
(carry
==
10
&&
(index
>=
48
&&
index
<=
57
||
index
==
46
))
||
(carry
==
16
&&
((index
>=
48
&&
index
<=
57
)
||
(index
>=
97
&&
index
<=
102
))))
if
(endNumber)
{
endNumber
=
false
document.calc.display.value
=
key
}
else
if
(document.calc.display.value
==
null
||
document.calc.display.value
==
"
0
"
)
document.calc.display.value
=
key
else
document.calc.display.value
+=
key
}
function
changeSign()
{
if
(document.calc.display.value
!=
"
0
"
)
if
(document.calc.display.value.substr(
0
,
1
)
==
"
-
"
)
document.calc.display.value
=
document.calc.display.value.substr(
1
)
else
document.calc.display.value
=
"
-
"
+
document.calc.display.value
}
//
函数键
function
inputfunction(fun,shiftfun)
{
endNumber
=
true
if
(document.calc.shiftf.checked)
document.calc.display.value
=
decto(funcalc(shiftfun,(todec(document.calc.display.value,carry))),carry)
else
document.calc.display.value
=
decto(funcalc(fun,(todec(document.calc.display.value,carry))),carry)
document.calc.shiftf.checked
=
false
document.calc.hypf.checked
=
false
inputshift()
}
function
inputtrig(trig,arctrig,hyp,archyp)
{
if
(document.calc.hypf.checked)
inputfunction(hyp,archyp)
else
inputfunction(trig,arctrig)
}
//
运算符
function
operation(join,newlevel)
{
endNumber
=
true
var
temp
=
stack.substr(stack.lastIndexOf(
"
(
"
)
+
1
)
+
document.calc.display.value
while
(newlevel
!=
0
&&
(newlevel
<=
(level.charAt(level.length
-
1
))))
{
temp
=
parse(temp)
level
=
level.slice(
0
,
-
1
)
}
if
(temp.match(
/^
(.
*
\d[\
+
\
-
\
*
\
/
\
%
\
^
\
&
\
|
x])
?
([
+-
]
?
[
0
-
9a
-
f\.]
+
)$
/
))
document.calc.display.value
=
RegExp.$
2
stack
=
stack.substr(
0
,stack.lastIndexOf(
"
(
"
)
+
1
)
+
temp
+
join
document.calc.operator.value
=
"
"
+
join
+
"
"
level
=
level
+
newlevel
}
//
括号
function
addbracket()
{
endNumber
=
true
document.calc.display.value
=
0
stack
=
stack
+
"
(
"
document.calc.operator.value
=
"
"
level
=
level
+
0
layer
+=
1
document.calc.bracket.value
=
"
(=
"
+
layer
}
function
disbracket()
{
endNumber
=
true
var
temp
=
stack.substr(stack.lastIndexOf(
"
(
"
)
+
1
)
+
document.calc.display.value
while
((level.charAt(level.length
-
1
))
>
0
)
{
temp
=
parse(temp)
level
=
level.slice(
0
,
-
1
)
}
document.calc.display.value
=
temp
stack
=
stack.substr(
0
,stack.lastIndexOf(
"
(
"
))
document.calc.operator.value
=
"
"
level
=
level.slice(
0
,
-
1
)
layer
-=
1
if
(layer
>
0
)
document.calc.bracket.value
=
"
(=
"
+
layer
else
document.calc.bracket.value
=
""
}
//
等号
function
result()
{
endNumber
=
true
while
(layer
>
0
)
disbracket()
var
temp
=
stack
+
document.calc.display.value
while
((level.charAt(level.length
-
1
))
>
0
)
{
temp
=
parse(temp)
level
=
level.slice(
0
,
-
1
)
}
document.calc.display.value
=
temp
document.calc.bracket.value
=
""
document.calc.operator.value
=
""
stack
=
""
level
=
"
0
"
}
//
修改键
function
backspace()
{
if
(
!
endNumber)
{
if
(document.calc.display.value.length
>
1
)
document.calc.display.value
=
document.calc.display.value.substring(
0
,document.calc.display.value.length
-
1
)
else
document.calc.display.value
=
0
}
}
function
clearall()
{
document.calc.display.value
=
0
endNumber
=
true
stack
=
""
level
=
"
0
"
layer
=
""
document.calc.operator.value
=
""
document.calc.bracket.value
=
""
}
//
转换键
function
inputChangCarry(newcarry)
{
endNumber
=
true
document.calc.display.value
=
(decto(todec(document.calc.display.value,carry),newcarry))
carry
=
newcarry
document.calc.sin.disabled
=
(carry
!=
10
)
document.calc.cos.disabled
=
(carry
!=
10
)
document.calc.tan.disabled
=
(carry
!=
10
)
document.calc.bt.disabled
=
(carry
!=
10
)
document.calc.pi.disabled
=
(carry
!=
10
)
document.calc.e.disabled
=
(carry
!=
10
)
document.calc.kp.disabled
=
(carry
!=
10
)
document.calc.k2.disabled
=
(carry
<=
2
)
document.calc.k3.disabled
=
(carry
<=
2
)
document.calc.k4.disabled
=
(carry
<=
2
)
document.calc.k5.disabled
=
(carry
<=
2
)
document.calc.k6.disabled
=
(carry
<=
2
)
document.calc.k7.disabled
=
(carry
<=
2
)
document.calc.k8.disabled
=
(carry
<=
8
)
document.calc.k9.disabled
=
(carry
<=
8
)
document.calc.ka.disabled
=
(carry
<=
10
)
document.calc.kb.disabled
=
(carry
<=
10
)
document.calc.kc.disabled
=
(carry
<=
10
)
document.calc.kd.disabled
=
(carry
<=
10
)
document.calc.ke.disabled
=
(carry
<=
10
)
document.calc.kf.disabled
=
(carry
<=
10
)
}
function
inputChangAngle(angletype)
{
endNumber
=
true
angle
=
angletype
if
(angle
==
"
d
"
)
document.calc.display.value
=
radiansToDegress(document.calc.display.value)
else
document.calc.display.value
=
degressToRadians(document.calc.display.value)
endNumber
=
true
}
function
inputshift()
{
if
(document.calc.shiftf.checked)
{
document.calc.bt.value
=
"
deg
"
document.calc.ln.value
=
"
exp
"
document.calc.log.value
=
"
expd
"
if
(document.calc.hypf.checked)
{
document.calc.sin.value
=
"
ahs
"
document.calc.cos.value
=
"
ahc
"
document.calc.tan.value
=
"
aht
"
}
else
{
document.calc.sin.value
=
"
asin
"
document.calc.cos.value
=
"
acos
"
document.calc.tan.value
=
"
atan
"
}
document.calc.sqr.value
=
"
x^.5
"
document.calc.cube.value
=
"
x^.3
"
document.calc.floor.value
=
"
小数
"
}
else
{
document.calc.bt.value
=
"
d.ms
"
document.calc.ln.value
=
"
ln
"
document.calc.log.value
=
"
log
"
if
(document.calc.hypf.checked)
{
document.calc.sin.value
=
"
hsin
"
document.calc.cos.value
=
"
hcos
"
document.calc.tan.value
=
"
htan
"
}
else
{
document.calc.sin.value
=
"
sin
"
document.calc.cos.value
=
"
cos
"
document.calc.tan.value
=
"
tan
"
}
document.calc.sqr.value
=
"
x^2
"
document.calc.cube.value
=
"
x^3
"
document.calc.floor.value
=
"
取整
"
}
}
//
存储器部分
function
clearmemory()
{
mem
=
0
document.calc.memory.value
=
"
"
}
function
getmemory()
{
endNumber
=
true
document.calc.display.value
=
decto(mem,carry)
}
function
putmemory()
{
endNumber
=
true
if
(document.calc.display.value
!=
0
)
{
mem
=
todec(document.calc.display.value,carry)
document.calc.memory.value
=
"
M
"
}
else
document.calc.memory.value
=
"
"
}
function
addmemory()
{
endNumber
=
true
mem
=
parseFloat(mem)
+
parseFloat(todec(document.calc.display.value,carry))
if
(mem
==
0
)
document.calc.memory.value
=
"
"
else
document.calc.memory.value
=
"
M
"
}
function
multimemory()
{
endNumber
=
true
mem
=
parseFloat(mem)
*
parseFloat(todec(document.calc.display.value,carry))
if
(mem
==
0
)
document.calc.memory.value
=
"
"
else
document.calc.memory.value
=
"
M
"
}
//
十进制转换
function
todec(num,oldcarry)
{
if
(oldcarry
==
10
||
num
==
0
)
return
(num)
var
neg
=
(num.charAt(
0
)
==
"
-
"
)
if
(neg) num
=
num.substr(
1
)
var
newnum
=
0
for
(
var
index
=
1
;index
<=
num.length;index
++
)
newnum
=
newnum
*
oldcarry
+
hexnum.indexOf(num.charAt(index
-
1
))
if
(neg)
newnum
=-
newnum
return
(newnum)
}
function
decto(num,newcarry)
{
var
neg
=
(num
<
0
)
if
(newcarry
==
10
||
num
==
0
)
return
(num)
num
=
""
+
Math.abs(num)
var
newnum
=
""
while
(num
!=
0
)
{
newnum
=
hexnum.charAt(num
%
newcarry)
+
newnum
num
=
Math.floor(num
/
newcarry)
}
if
(neg)
newnum
=
"
-
"
+
newnum
return
(newnum)
}
//
表达式解析
function
parse(string)
{
if
(string.match(
/^
(.
*
\d[\
+
\
-
\
*
\
/
\
%
\
^
\
&
\
|
x\
<
])
?
([
+-
]
?
[
0
-
9a
-
f\.]
+
)([\
+
\
-
\
*
\
/
\
%
\
^
\
&
\
|
x\
<
])([
+-
]
?
[
0
-
9a
-
f\.]
+
)$
/
))
return
(RegExp.$
1
+
cypher(RegExp.$
2
,RegExp.$
3
,RegExp.$
4
))
else
return
(string)
}
//
数学运算和位运算
function
cypher(left,join,right)
{
left
=
todec(left,carry)
right
=
todec(right,carry)
if
(join
==
"
+
"
)
return
(decto(parseFloat(left)
+
parseFloat(right),carry))
if
(join
==
"
-
"
)
return
(decto(left
-
right,carry))
if
(join
==
"
*
"
)
return
(decto(left
*
right,carry))
if
(join
==
"
/
"
&&
right
!=
0
)
return
(decto(left
/
right,carry))
if
(join
==
"
%
"
)
return
(decto(left
%
right,carry))
if
(join
==
"
&
"
)
return
(decto(left
&
right,carry))
if
(join
==
"
|
"
)
return
(decto(left
|
right,carry))
if
(join
==
"
^
"
)
return
(decto(Math.pow(left,right),carry))
if
(join
==
"
x
"
)
return
(decto(left
^
right,carry))
if
(join
==
"
<
"
)
return
(decto(left
<<
right,carry))
alert(
"
除数不能为零
"
)
return
(left)
}
//
函数计算
function
funcalc(fun,num)
{
with
(Math)
{
if
(fun
==
"
pi
"
)
return
(PI)
if
(fun
==
"
e
"
)
return
(E)
if
(fun
==
"
abs
"
)
return
(abs(num))
if
(fun
==
"
ceil
"
)
return
(ceil(num))
if
(fun
==
"
round
"
)
return
(round(num))
if
(fun
==
"
floor
"
)
return
(floor(num))
if
(fun
==
"
deci
"
)
return
(num
-
floor(num))
if
(fun
==
"
ln
"
&&
num
>
0
)
return
(log(num))
if
(fun
==
"
exp
"
)
return
(exp(num))
if
(fun
==
"
log
"
&&
num
>
0
)
return
(log(num)
*
LOG10E)
if
(fun
==
"
expdec
"
)
return
(pow(
10
,num))
if
(fun
==
"
cube
"
)
return
(num
*
num
*
num)
if
(fun
==
"
cubt
"
)
return
(pow(num,
1
/
3
))
if
(fun
==
"
sqr
"
)
return
(num
*
num)
if
(fun
==
"
sqrt
"
&&
num
>=
0
)
return
(sqrt(num))
if
(fun
==
"
!
"
)
return
(factorial(num))
if
(fun
==
"
recip
"
&&
num
!=
0
)
return
(
1
/
num)
if
(fun
==
"
dms
"
)
return
(dms(num))
if
(fun
==
"
deg
"
)
return
(deg(num))
if
(fun
==
"
~
"
)
return
(
~
num)
if
(angle
==
"
d
"
)
{
if
(fun
==
"
sin
"
)
return
(sin(degressToRadians(num)))
if
(fun
==
"
cos
"
)
return
(cos(degressToRadians(num)))
if
(fun
==
"
tan
"
)
return
(tan(degressToRadians(num)))
if
(fun
==
"
arcsin
"
&&
abs(num)
<=
1
)
return
(radiansToDegress(asin(num)))
if
(fun
==
"
arccos
"
&&
abs(num)
<=
1
)
return
(radiansToDegress(acos(num)))
if
(fun
==
"
arctan
"
)
return
(radiansToDegress(atan(num)))
}
else
{
if
(fun
==
"
sin
"
)
return
(sin(num))
if
(fun
==
"
cos
"
)
return
(cos(num))
if
(fun
==
"
tan
"
)
return
(tan(num))
if
(fun
==
"
arcsin
"
&&
abs(num)
<=
1
)
return
(asin(num))
if
(fun
==
"
arccos
"
&&
abs(num)
<=
1
)
return
(acos(num))
if
(fun
==
"
arctan
"
)
return
(atan(num))
}
if
(fun
==
"
hypsin
"
)
return
((exp(num)
-
exp(
0
-
num))
*
0.5
)
if
(fun
==
"
hypcos
"
)
return
((exp(num)
+
exp(
-
num))
*
0.5
)
if
(fun
==
"
hyptan
"
)
return
((exp(num)
-
exp(
-
num))
/
(exp(num)
+
exp(
-
num)))
if
(fun
==
"
ahypsin
"
|
fun
==
"
hypcos
"
|
fun
==
"
hyptan
"
)
{
alert(
"
对不起,公式还没有查到!
"
)
return
(num)
}
alert(
"
超出函数定义范围
"
)
return
(num)
}
}
function
factorial(n)
{
n
=
Math.abs(parseInt(n))
var
fac
=
1
for
(;n
>
0
;n
-=
1
)
fac
*=
n
return
(fac)
}
function
dms(n)
{
var
neg
=
(n
<
0
)
with
(Math)
{
n
=
abs(n)
var
d
=
floor(n)
var
m
=
floor(
60
*
(n
-
d))
var
s
=
(n
-
d)
*
60
-
m
}
var
dms
=
d
+
m
/
100
+
s
*
0.006
if
(neg)
dms
=-
dms
return
(dms)
}
function
deg(n)
{
var
neg
=
(n
<
0
)
with
(Math)
{
n
=
abs(n)
var
d
=
floor(n)
var
m
=
floor((n
-
d)
*
100
)
var
s
=
(n
-
d)
*
100
-
m
}
var
deg
=
d
+
m
/
60
+
s
/
36
if
(neg)
deg
=-
deg
return
(deg)
}
function
degressToRadians(degress)
{
return
(degress
*
Math.PI
/
180
)
}
function
radiansToDegress(radians)
{
return
(radians
*
180
/
Math.PI)
}
//
界面
//
-->
</
SCRIPT
>
<!--
written by GoldHuman li hai
--><!--
2000.8
-->
<
META content
=
"
MSHTML 5.50.4134.100
"
name
=
GENERATOR
></
HEAD
>
<
BODY leftmargin
=
"
0
"
topmargin
=
"
0
"
>
<
DIV align
=
center
>
<
FORM name
=
calc
>
<
TABLE height
=
250
width
=
500
border
=
1
>
<
TBODY
>
<
TR
>
<
TD height
=
50
>
<
TABLE width
=
500
>
<
TBODY
>
<
TR
>
<
TD
>
</
TD
>
<
TD
>
<
DIV align
=
center
><
INPUT readOnly size
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40
value
=
0
name
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display
>
</
DIV
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TD
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TR
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TBODY
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TABLE
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TD
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TR
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<
TR
>
<
TD
>
<
TABLE width
=
500
>
<
TBODY
>
<
TR
>
<
TD width
=
290
><
INPUT onclick
=
inputChangCarry(
16
) type
=
radio
name
=
carry
>
十六进制
<
INPUT onclick
=
inputChangCarry(
10
) type
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radio
CHECKED name
=
carry
>
十进制
<
INPUT onclick
=
inputChangCarry(
8
) type
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radio
name
=
carry
>
八进制
<
INPUT onclick
=
inputChangCarry(
2
) type
=
radio
name
=
carry
>
二进制
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TD
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<
TD
></
TD
>
<
TD width
=
135
><
INPUT onclick
=
"
inputChangAngle('d')
"
type
=
radio
CHECKED value
=
d name
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angle
>
角度制
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INPUT
onclick
=
"
inputChangAngle('r')
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type
=
radio value
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r name
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angle
>
弧度制
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TD
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TR
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TBODY
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TABLE
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TABLE width
=
500
>
<
TBODY
>
<
TR
>
<
TD width
=
170
><
INPUT onclick
=
inputshift() type
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checkbox
name
=
shiftf
>
上档功能
<
INPUT onclick
=
inputshift() type
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checkbox
name
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hypf
>
双曲函数
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TD
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<
TD
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INPUT style
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BACKGROUND-COLOR: lightgrey
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readOnly size
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name
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bracket
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INPUT style
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readOnly
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3
name
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memory
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<
INPUT style
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readOnly size
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3
name
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operator
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TD
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TD width
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183
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COLOR: red
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onclick
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backspace() type
=
button value
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退格
"
>
<
INPUT style
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"
COLOR: red
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onclick
=
"
document.calc.display.value = 0
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type
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button value
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"
清屏
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>
<
INPUT style
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"
COLOR: red
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onclick
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clearall() type
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button value
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"
全清
"
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</
TD
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TR
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TBODY
></
TABLE
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<
TABLE width
=
500
>
<
TBODY
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<
TR
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<
TD
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<
TABLE
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<
TBODY
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<
TR align
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middle
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<
TD
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COLOR: blue
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onclick
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inputfunction('pi','pi')
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type
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PI
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name
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pi
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TD
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TD
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COLOR: blue
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onclick
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"
inputfunction('e','e')
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type
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button value
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E
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name
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e
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TD
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<
TD
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INPUT style
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COLOR: #ff00ff
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onclick
=
"
inputfunction('dms','deg')
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type
=
button value
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d.ms name
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bt
>
</
TD
></
TR
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<
TR align
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middle
>
<
TD
><
INPUT style
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"
COLOR: #ff00ff
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onclick
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addbracket() type
=
button value
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(
"
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TD
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<
TD
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INPUT style
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COLOR: #ff00ff
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onclick
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disbracket() type
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button value
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"
)
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TD
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<
TD
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INPUT style
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COLOR: #ff00ff
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onclick
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"
inputfunction('ln','exp')
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type
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button value
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ln
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name
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ln
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</
TD
></
TR
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<
TR align
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middle
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<
TD
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INPUT style
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COLOR: #ff00ff
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onclick
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"
inputtrig('sin','arcsin','hypsin','ahypsin')
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type
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button value
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sin
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name
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sin
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</
TD
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<
TD
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INPUT style
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"
COLOR: #ff00ff
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onclick
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"
operation('^',7)
"
type
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button value
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x^y
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>
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TD
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<
TD
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INPUT style
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COLOR: #ff00ff
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onclick
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inputfunction('log','expdec')
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type
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button value
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log
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name
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log
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TD
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TR
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TR align
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middle
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TD
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COLOR: #ff00ff
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onclick
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"
inputtrig('cos','arccos','hypcos','ahypcos')
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type
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button value
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cos
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name
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cos
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TD
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TD
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COLOR: #ff00ff
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onclick
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inputfunction('cube','cubt')
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type
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button value
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x^3
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name
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cube
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TD
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<
TD
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COLOR: #ff00ff
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onclick
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"
inputfunction('!','!')
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type
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button value
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n!
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>
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TD
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TR
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TR align
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middle
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<
TD
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COLOR: #ff00ff
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onclick
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"
inputtrig('tan','arctan','hyptan','ahyptan')
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type
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button value
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tan
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name
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tan
>
</
TD
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<
TD
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COLOR: #ff00ff
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onclick
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"
inputfunction('sqr','sqrt')
"
type
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button value
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"
x^2
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name
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sqr
>
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TD
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<
TD
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"
COLOR: #ff00ff
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onclick
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"
inputfunction('recip','recip')
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type
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button value
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1/x
"
>
</
TD
></
TR
></
TBODY
></
TABLE
></
TD
>
<
TD width
=
30
></
TD
>
<
TD
>
<
TABLE
>
<
TBODY
>
<
TR
>
<
TD
><
INPUT style
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"
COLOR: red
"
onclick
=
putmemory() type
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button value
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"
储存
"
>
</
TD
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TR
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<
TR
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<
TD
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"
COLOR: red
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onclick
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getmemory() type
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button value
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"
取存
"
>
</
TD
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TR
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<
TR
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<
TD
><
INPUT style
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"
COLOR: red
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onclick
=
addmemory() type
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button value
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"
累存
"
>
</
TD
></
TR
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<
TR
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
multimemory() type
=
button value
=
"
积存
"
>
</
TD
></
TR
>
<
TR
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<
TD height
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33
><
INPUT style
=
"
COLOR: red
"
onclick
=
clearmemory() type
=
button value
=
"
清存
"
>
</
TD
></
TR
></
TBODY
></
TABLE
></
TD
>
<
TD width
=
30
></
TD
>
<
TD
>
<
TABLE
>
<
TBODY
>
<
TR align
=
middle
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
onclick
=
"
inputkey('7')
"
type
=
button value
=
"
7
"
name
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k7
>
</
TD
>
<
TD
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INPUT style
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"
COLOR: blue
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onclick
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"
inputkey('8')
"
type
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button value
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"
8
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name
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k8
>
</
TD
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<
TD
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INPUT style
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"
COLOR: blue
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onclick
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"
inputkey('9')
"
type
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button value
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"
9
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name
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k9
>
</
TD
>
<
TD
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INPUT style
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"
COLOR: red
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onclick
=
"
operation('/',6)
"
type
=
button value
=
"
/
"
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('%',6)
"
type
=
button value
=
取余
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('&',3)
"
type
=
button value
=
"
与
"
>
</
TD
></
TR
>
<
TR align
=
middle
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
onclick
=
"
inputkey('4')
"
type
=
button value
=
"
4
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name
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k4
>
</
TD
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<
TD
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INPUT style
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"
COLOR: blue
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onclick
=
"
inputkey('5')
"
type
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button value
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"
5
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name
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k5
>
</
TD
>
<
TD
><
INPUT style
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"
COLOR: blue
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onclick
=
"
inputkey('6')
"
type
=
button value
=
"
6
"
name
=
k6
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('*',6)
"
type
=
button value
=
"
*
"
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
inputfunction('floor','deci')
"
type
=
button value
=
取整 name
=
floor
>
</
TD
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<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('|',1)
"
type
=
button value
=
"
或
"
>
</
TD
></
TR
>
<
TR align
=
middle
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
onclick
=
"
inputkey('1')
"
type
=
button value
=
"
1
"
>
</
TD
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<
TD
><
INPUT style
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"
COLOR: blue
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onclick
=
"
inputkey('2')
"
type
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button value
=
"
2
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name
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k2
>
</
TD
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<
TD
><
INPUT style
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"
COLOR: blue
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onclick
=
"
inputkey('3')
"
type
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button value
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"
3
"
name
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k3
>
</
TD
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<
TD
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INPUT style
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"
COLOR: red
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onclick
=
"
operation('-',5)
"
type
=
button value
=
"
-
"
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('<',4)
"
type
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button value
=
左移
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
inputfunction('~','~')
"
type
=
button value
=
"
非
"
>
</
TD
></
TR
>
<
TR align
=
middle
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
onclick
=
"
inputkey('0')
"
type
=
button value
=
"
0
"
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
onclick
=
changeSign() type
=
button value
=+/->
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
onclick
=
"
inputkey('.')
"
type
=
button value
=
"
.
"
name
=
kp
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('+',5)
"
type
=
button value
=
"
+
"
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
result() type
=
button value
=
"
＝
"
>
</
TD
>
<
TD
><
INPUT style
=
"
COLOR: red
"
onclick
=
"
operation('x',2)
"
type
=
button value
=
异或
>
</
TD
></
TR
>
<
TR align
=
middle
>
<
TD
><
INPUT style
=
"
COLOR: blue
"
disabled onclick
=
"
inputkey('a')
"
type
=
button value
=
"
A
"
name
=
ka
>
</
TD
>
<
TD
><
INPUT style
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"
COLOR: blue
"
disabled onclick
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"
inputkey('b')
"
type
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button value
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"
B
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name
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kb
>
</
TD
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<
TD
><
INPUT style
=
"
COLOR: blue
"
disabled onclick
=
"
inputkey('c')
"
type
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button value
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"
C
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name
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kc
>
</
TD
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<
TD
><
INPUT style
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"
COLOR: blue
"
disabled onclick
=
"
inputkey('d')
"
type
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button value
=
"
D
"
name
=
kd
>
</
TD
>
<
TD
><
INPUT style
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"
COLOR: blue
"
disabled onclick
=
"
inputkey('e')
"
type
=
button value
=
"
E
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name
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ke
>
</
TD
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<
TD
><
INPUT style
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"
COLOR: blue
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disabled onclick
=
"
inputkey('f')
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type
=
button value
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"
F
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name
=
kf
>
</
TD
></
TR
></
TBODY
></
TABLE
></
TD
></
TR
></
TBODY
></
TABLE
></
TD
></
TR
></
TBODY
></
TABLE
></
FORM
></
DIV
></
BODY
></
HTML
>