Standard Calculator:

Code:

images.zip

calculator.js

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function imageArray(length,imageWidth,imageHeight){

this.length=length

for (i=0;i<length;i++){this[i]=new Image(imageWidth,imageHeight)} } if (parseInt(navigator.appVersion.substring(0,1))>=3) {

led=new imageArray(13, 15, 20)

led[0].src="images/calc/0.gif"

led[1].src="images/calc/1.gif"

led[2].src="images/calc/2.gif"

led[3].src="images/calc/3.gif"

led[4].src="images/calc/4.gif"

led[5].src="images/calc/5.gif"

led[6].src="images/calc/6.gif"

led[7].src="images/calc/7.gif"

led[8].src="images/calc/8.gif"

led[9].src="images/calc/9.gif"

led[10].src="images/calc/blank.gif"

led[11].src="images/calc/minus.gif"

led[12].src="images/calc/decimal.gif"

var leddisplay=""

var totalled="OFF"

var added="OFF"

var firstnum=null

var signid=""

}

function pushed(buttonid) {

if (parseInt(navigator.appVersion.substring(0,1))>=3) {

if (buttonid=='c') {signid=""; firstnum=null; leddisplay=""; totalled=="OFF"; for (i=1; i<=9; i++) {document.images["led"+i].src="led[10].src}}" if (buttonid="='.')" {var decimalonoff="ON" ; for (i="0;" i<leddisplay.length; i++) {if (leddisplay.charAt(i)="=".")" {decimalonoff="OFF" }}; if (decimalonoff!="OFF" ) {if (totalled="="ON")" {leddisplay="buttonid;" totalled="OFF" ; firstnum="null}" else {leddisplay="leddisplay+buttonid}}};" if (buttonid="='+')" { signid="+" if (leddisplay! &&totalled!="ON" ) {if (firstnum!="null)" {leddisplay="parseFloat(firstnum)+parseFloat(leddisplay)};" firstnum="leddisplay;" added="ON" } if (leddisplay! &&totalled="="ON")" {added="ON" ; totalled="OFF" } } if (buttonid="='-')" { signid="-" if (leddisplay! &&totalled!="ON" ) {if (firstnum!="null)" {leddisplay="parseFloat(firstnum)-parseFloat(leddisplay)};" firstnum="leddisplay;" added="ON" } if (leddisplay! &&totalled="="ON")" {added="ON" ; totalled="OFF" } } if (buttonid="='*')" { signid="*" if (leddisplay! &&totalled!="ON" ) {if (firstnum!="null)" {leddisplay="parseFloat(firstnum)*parseFloat(leddisplay)};" firstnum="leddisplay;" added="ON" } if (leddisplay! &&totalled="="ON")" {added="ON" ; totalled="OFF" } } if (buttonid="='/')" { signid="/" if (leddisplay! &&totalled!="ON" ) {if (firstnum!="null)" {leddisplay="parseFloat(firstnum)/parseFloat(leddisplay)};" firstnum="leddisplay;" added="ON" } if (leddisplay! &&totalled="="ON")" {added="ON" ; totalled="OFF" } } if (buttonid!="." &&buttonid!="c" &&buttonid!="/" &&buttonid!="*" &&buttonid!="-" &&buttonid!="+" &&buttonid!="total" ) { if (totalled="="ON")" {leddisplay="buttonid;" totalled="OFF" ; firstnum="null}" else {leddisplay="leddisplay+buttonid}" } if (buttonid="='total')" { if (leddisplay! &&totalled!="ON" ) { if (signid="="+")" {leddisplay="parseFloat(firstnum)+parseFloat(leddisplay)}" if (signid="="-")" {leddisplay="parseFloat(firstnum)-parseFloat(leddisplay)}" if (signid="="*")" {leddisplay="parseFloat(firstnum)*parseFloat(leddisplay)}" if (signid="="/")" {leddisplay="parseFloat(firstnum)/parseFloat(leddisplay)}" firstnum="leddisplay;" totalled="ON" } } leddisplay +leddisplay if (leddisplay.charAt(0)="="0")" {leddisplay="leddisplay.substring(1,leddisplay.length)}" if (leddisplay.length>=10) {

if (totalled=="ON") {

if (leddisplay.indexOf(".")!=-1) {

leddisplayrounded=leddisplay.charAt(9)+"."+leddisplay.substring(10,leddisplay.length)

leddisplay=leddisplay.substring(0,8)+Math.round(leddisplayrounded)

} else {leddisplay="."; firstnum=null; signid=""}

}

leddisplay=leddisplay.substring(0,9)

}

if (leddisplay!="") {

var ledid=10-leddisplay.length

for (i=1; i<=9; i++) {document.images["led"+i].src="led[10].src}" for (i="0;" i<leddisplay.length; i++) { if (leddisplay.charAt(i)="=".")" {document.images["led"+ledid].src="led[12].src}" else { if (leddisplay.charAt(i)="="-")" {document.images["led"+ledid].src="led[11].src}" else {document.images["led"+ledid].src="led[leddisplay.charAt(i)].src}" } ledid="ledid+1" } } if (added="="ON")" {leddisplay ; added="OFF" } } }

Place in the <HEAD>: Place in the <BODY>:

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