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INI File | 2000-08-31 | 3.9 KB | 166 lines |
- [SUBJECT]
- Description=Comprehensive calculator
- ImageIndex=-1
- Folder=Quick JavaScript
-
-
- [BODY_TEXT]
- ;<CENTER>
- ;<FORM name="Keypad" action="">
- ;
- ;<TABLE>
- ;<B>
- ;<TABLE border=2 width=50 height=60 cellpadding=1 cellspacing=5>
- ;<TR>
- ;<TD colspan=3 align=middle>
- ;<input name="ReadOut" type="Text" size=24 value="0" width=100%>
- ;</TD>
- ;<TD
- ;</TD>
- ;<TD>
- ;<input name="btnClear" type="Button" value=" C " onclick="Clear()">
- ;</TD>
- ;<TD><input name="btnClearEntry" type="Button" value=" CE " onclick="ClearEntry()">
- ;</TD>
- ;</TR>
- ;<TR>
- ;<TD>
- ;<input name="btnSeven" type="Button" value=" 7 " onclick="NumPressed(7)">
- ;</TD>
- ;<TD>
- ;<input name="btnEight" type="Button" value=" 8 " onclick="NumPressed(8)">
- ;</TD>
- ;<TD>
- ;<input name="btnNine" type="Button" value=" 9 " onclick="NumPressed(9)">
- ;</TD>
- ;<TD>
- ;</TD>
- ;<TD>
- ;<input name="btnNeg" type="Button" value=" +/- " onclick="Neg()">
- ;</TD>
- ;<TD>
- ;<input name="btnPercent" type="Button" value=" % " onclick="Percent()">
- ;</TD>
- ;</TR>
- ;<TR>
- ;<TD>
- ;<input name="btnFour" type="Button" value=" 4 " onclick="NumPressed(4)">
- ;</TD>
- ;<TD>
- ;<input name="btnFive" type="Button" value=" 5 " onclick="NumPressed(5)">
- ;</TD>
- ;<TD>
- ;<input name="btnSix" type="Button" value=" 6 " onclick="NumPressed(6)">
- ;</TD>
- ;<TD>
- ;</TD>
- ;<TD align=middle><input name="btnPlus" type="Button" value=" + " onclick="Operation('+')">
- ;</TD>
- ;<TD align=middle><input name="btnMinus" type="Button" value=" - " onclick="Operation('-')">
- ;</TD>
- ;</TR>
- ;<TR>
- ;<TD>
- ;<input name="btnOne" type="Button" value=" 1 " onclick="NumPressed(1)">
- ;</TD>
- ;<TD>
- ;<input name="btnTwo" type="Button" value=" 2 " onclick="NumPressed(2)">
- ;</TD>
- ;<TD>
- ;<input name="btnThree" type="Button" value=" 3 " onclick="NumPressed(3)">
- ;</TD>
- ;<TD>
- ;</TD>
- ;<TD align=middle><input name="btnMultiply" type="Button" value=" * " onclick="Operation('*')">
- ;</TD>
- ;<TD align=middle><input name="btnDivide" type="Button" value=" / " onclick="Operation('/')">
- ;</TD>
- ;</TR>
- ;<TR>
- ;<TD>
- ;<input name="btnZero" type="Button" value=" 0 " onclick="NumPressed(0)">
- ;</TD>
- ;<TD>
- ;<input name="btnDecimal" type="Button" value=" . " onclick="Decimal()">
- ;</TD>
- ;<TD colspan=3>
- ;</TD>
- ;<TD>
- ;<input name="btnEquals" type="Button" value=" = " onclick="Operation('=')">
- ;</TD>
- ;</TR>
- ;</TABLE>
- ;</TABLE>
- ;</B>
- ;</FORM>
- ;</CENTER>
- ;<font face="Verdana, Arial, Helvetica" size=2>
- ;<SCRIPT LANGUAGE="JavaScript">
- ;<!-- Begin
- ;var FKeyPad = document.Keypad;
- ;var Accum = 0;
- ;var FlagNewNum = false;
- ;var PendingOp = "";
- ;function NumPressed (Num) {
- ;if (FlagNewNum) {
- ;FKeyPad.ReadOut.value = Num;
- ;FlagNewNum = false;
- ; }
- ;else {
- ;if (FKeyPad.ReadOut.value == "0")
- ;FKeyPad.ReadOut.value = Num;
- ;else
- ;FKeyPad.ReadOut.value += Num;
- ; }
- ;}
- ;function Operation (Op) {
- ;var Readout = FKeyPad.ReadOut.value;
- ;if (FlagNewNum && PendingOp != "=");
- ;else
- ;{
- ;FlagNewNum = true;
- ;if ( '+' == PendingOp )
- ;Accum += parseFloat(Readout);
- ;else if ( '-' == PendingOp )
- ;Accum -= parseFloat(Readout);
- ;else if ( '/' == PendingOp )
- ;Accum /= parseFloat(Readout);
- ;else if ( '*' == PendingOp )
- ;Accum *= parseFloat(Readout);
- ;else
- ;Accum = parseFloat(Readout);
- ;FKeyPad.ReadOut.value = Accum;
- ;PendingOp = Op;
- ; }
- ;}
- ;function Decimal () {
- ;var curReadOut = FKeyPad.ReadOut.value;
- ;if (FlagNewNum) {
- ;curReadOut = "0.";
- ;FlagNewNum = false;
- ; }
- ;else
- ;{
- ;if (curReadOut.indexOf(".") == -1)
- ;curReadOut += ".";
- ; }
- ;FKeyPad.ReadOut.value = curReadOut;
- ;}
- ;function ClearEntry () {
- ;FKeyPad.ReadOut.value = "0";
- ;FlagNewNum = true;
- ;}
- ;function Clear () {
- ;Accum = 0;
- ;PendingOp = "";
- ;ClearEntry();
- ;}
- ;function Neg () {
- ;FKeyPad.ReadOut.value = parseFloat(FKeyPad.ReadOut.value) * -1;
- ;}
- ;function Percent () {
- ;FKeyPad.ReadOut.value = (parseFloat(FKeyPad.ReadOut.value) / 100) * parseFloat(Accum);
- ;}
- ;// End -->
- ;</SCRIPT>
-