Ｊａｖａ電卓
以下のコードを</HEAD>タグの後に記述してください。
<SCRIPT LANGUAGE="JavaScript">
<!--
function cale(num){
if (num=="="){
document.calefrm.anser.value = eval(document.calefrm.anser.value);
}else if(num == "C"){
document.calefrm.anser.value = "";
}else{
document.calefrm.anser.value += num;
}
}
//-->
</SCRIPT>
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以下のコードを<BODY>〜</BODY>タグの間に記述してください。
<FORM NAME = "calefrm" Action="">
<INPUT TYPE = "text" NAME = "anser" VALUE = "" SIZE = 30><P>
<INPUT TYPE = "button" VALUE = " 7 " onClick="cale('7')">
<INPUT TYPE = "button" VALUE = " 8 " onClick="cale('8')">
<INPUT TYPE = "button" VALUE = " 9 " onClick="cale('9')">
<INPUT TYPE = "button" VALUE = " * " onClick="cale('*')">
<P>
<INPUT TYPE = "button" VALUE = " 4 " onClick="cale('4')">
<INPUT TYPE = "button" VALUE = " 5 " onClick="cale('5')">
<INPUT TYPE = "button" VALUE = " 6 " onClick="cale('6')">
<INPUT TYPE = "button" VALUE = " / " onClick="cale('/')">
<P>
<INPUT TYPE = "button" VALUE = " 1 " onClick="cale('1')">
<INPUT TYPE = "button" VALUE = " 2 " onClick="cale('2')">
<INPUT TYPE = "button" VALUE = " 3 " onClick="cale('3')">
<INPUT TYPE = "button" VALUE = " - " onClick="cale('-')">
<P>
<INPUT TYPE = "button" VALUE = " 0 " onClick="cale('0')">
<INPUT TYPE = "button" VALUE = " C " onClick="cale('C')">
<INPUT TYPE = "button" VALUE = " = " onClick="cale('=')">
<INPUT TYPE = "button" VALUE = " + " onClick="cale('+')">
<P>
</FORM>
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