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■ 語法主題：彩色計算機

■ 控制碼內容：
將下面複製至 <head> 區內

<SCRIPT LANGUAGE="JavaScript">
<!--
Pi = Math.PI
varstatus = "2"
lastans = "0"
lastin = "sign"
num = "0"
A = 0
B = 0
C = 0
D = 0
function addnum(num)
{
if (document.info.display.value != "0" && document.info.display.value != lastans)
	{
	document.info.display.value = document.info.display.value + num	
	lastin = "num"
	}
else
	{
	document.info.display.value = num
	lastin = "num"
	}
}
function addsign(sign)
{
	if (document.info.display.value != "0")
	{
		document.info.display.value = document.info.display.value + sign
		lastin = "sign"
	}
	else
	{
		document.info.display.value = sign
		lastin = "sign"
	}
}

function solve()
{
	lastans = eval(document.info.display.value)
	document.info.display.value = lastans
	lastin = "sign"
}
function clearit()
{
	document.info.display.value = "0"
	lastans = "0"
	lastin = "sign"
}
function addvar(vaz)
{
iput = document.info.display.value + vaz
	if (lastin != "sign" && document.info.display.value != "0")
	{
		vaz = "*" + vaz
		iput = document.info.display.value + vaz
	}
	else
	{
		if (document.info.display.value == "0")
		{
			iput = vaz
		}
		else
		{
			iput = document.info.display.value + vaz
		}
	}
document.info.display.value = iput
}
function letter(let)
{
	if (varstatus == "0")
	{
	solve()
		if (let == "A")
		{
			A = eval(document.info.display.value)
		}
		if (let == "B")
		{
			B = eval(document.info.display.value)
		}
		if (let == "C")
		{
			C = eval(document.info.display.value)
		}
		if (let == "D")
		{
			D = eval(document.info.display.value)
		}
	document.info.display.value = let+ " = " +document.info.display.value
	}
		if (varstatus == "1")
			{
			addvar(let)
			}
varstatus = "2"
}
-->
</SCRIPT>

■ 控制碼內容：
將下面複製至 <body> 標籤後

<FORM NAME="info">
<TABLE ALIGN="center" BORDER="3">
<TR>
<TD COLSPAN="7" ALIGN="center"><INPUT STYPE="text" NAME="display" STYLE="FONT-SIZE: 13pt; FONT-STYLE: normal; FONT-WEIGHT: bold; HEIGHT: 30px; WIDTH: 300px"></TD>
</TR>
<TR>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 7 " onClick="addnum('7')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 8 " onClick="addnum('8')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 9 " onClick="addnum('9')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" * " onClick="addsign('*')" STYLE="BACKGROUND: #00BFFF; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" ( " onClick="addvar('(')" STYLE="BACKGROUND: #00BFFF; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE="Rcl" onClick="varstatus='1'" STYLE="FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" A " onClick="letter('A')" STYLE="BACKGROUND: #90EE90; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
</TR>
<TR>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 4 " onClick="addnum('4')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 5 " onClick="addnum('5')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 6 " onClick="addnum('6')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" - " onClick="addsign('-')" STYLE="BACKGROUND: #00BFFF; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" ) " onClick="addnum(')')" STYLE="BACKGROUND: #00BFFF; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE="Sto" onClick="varstatus='0'" STYLE="FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" B " onClick="letter('B')" STYLE="BACKGROUND: #90EE90; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
</TR>
<TR>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 1 " onClick="addnum('1')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 2 " onClick="addnum('2')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 3 " onClick="addnum('3')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" + " onClick="addsign('+')" STYLE="BACKGROUND: #00BFFF; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE="Pi" onClick="addvar('Pi')" STYLE="BACKGROUND: #DDA0DD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" <-- " onClick="document.info.display.value = document.info.display.value.substring (0, document.info.display.value.length*1 -1)" STYLE="BACKGROUND: #B0E0E6 ; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" C " onClick="letter('C')" STYLE="BACKGROUND: #90EE90; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
</TR>
<TR>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE="  . " onClick="addnum('.')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" 0 " onClick="addnum('0')" STYLE="BACKGROUND: #CDCDCD; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" C " onClick="clearit()" STYLE="BACKGROUND: #FA8072; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" / " onClick="addsign('/')" STYLE="BACKGROUND: #00BFFF; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" = " onClick="solve()" STYLE="BACKGROUND: #FA8072; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE="  ?  " onClick="alert('CALCULATOR HELP\n+\tadd\n-\tsubtract or negative sign\n*\tmultiply\n/\tdivide\n(\topen parenthesis\n)\tclose parenthesis\nPi\tthe value of Pi\n=\tsolves the equation\nRcl\tPress this and then a letter to show that letter on the screen\nSto\tPress this and then a letter to set that letters value\n<--\tBackspace\n.\tDecimal Point\nC\tClears the screen\nA-D\tVariables you create, see Rcl and Sto\n?\tHmmmmm...')" STYLE="BACKGROUND: #FA8072; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
<TD ALIGN="center"><INPUT HEIGHT="32" WIDTH="38" TYPE="button" VALUE=" D " onClick="letter('D')" STYLE="BACKGROUND: #90EE90; FONT-SIZE: 15pt; HEIGHT: 32px; WIDTH: 38px"></TD>
</TR>
</TABLE>
</FORM>

■ 控制碼內容：
將下面複製至 <body> 標籤內
gcolor=#dadada