Une calculatrice ( modèle N° 1 )
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1 - Copiez et collez entre les balises <head> et </head> :
<style type="text/css">
body {font-family: helvetica}
p {font-size: 12pt}
.red {color: red}
.blue {color: blue}
</style>
<SCRIPT LANGUAGE="JavaScript">
<!-- Debut du scriptvar Memory = 0;
var Number1 = "";
var Number2 = "";
var NewNumber = "blank";
var opvalue = "";function Display(displaynumber) {
document.calculator.answer.value = displaynumber;
}function MemoryClear() {
Memory = 0;
document.calculator.mem.value = "";
}function MemoryRecall(answer) {
if(NewNumber != "blank") {
Number2 += answer;
} else {
Number1 = answer;
}
NewNumber = "blank";
Display(answer);
}
function MemorySubtract(answer) {
Memory = Memory - eval(answer);
}
function MemoryAdd(answer) {
Memory = Memory + eval(answer);
document.calculator.mem.value = " M ";
NewNumber = "blank";
}function ClearCalc() {
Number1 = "";
Number2 = "";
NewNumber = "blank";
Display("");
}function Backspace(answer) {
answerlength = answer.length;
answer = answer.substring(0, answerlength - 1);
if (Number2 != "") {
Number2 = answer.toString();
Display(Number2);
} else {
Number1 = answer.toString();
Display(Number1);
}
}function CECalc() {
Number2 = "";
NewNumber = "yes";
Display("");
}function CheckNumber(answer) {
if(answer == ".") {
Number = document.calculator.answer.value;
if(Number.indexOf(".") != -1) {
answer = "";
}
}
if(NewNumber == "yes") {
Number2 += answer;
Display(Number2);
}
else {
if(NewNumber == "blank") {
Number1 = answer;
Number2 = "";
NewNumber = "no";
}
else {
Number1 += answer;
}
Display(Number1);
}
}
function AddButton(x) {
if(x == 1) EqualButton();
if(Number2 != "") {
Number1 = parseFloat(Number1) + parseFloat(Number2);
}
NewNumber = "yes";
opvalue = '+';
Display(Number1);
}
function SubButton(x) {
if(x == 1) EqualButton();
if(Number2 != "") {
Number1 = parseFloat(Number1) - parseFloat(Number2);
}
NewNumber = "yes";
opvalue = '-';
Display(Number1);
}
function MultButton(x) {
if(x == 1) EqualButton();
if(Number2 != "") {
Number1 = parseFloat(Number1) * parseFloat(Number2);
}
NewNumber = "yes";
opvalue = '*';
Display(Number1);
}
function DivButton(x) {
if(x == 1) EqualButton();
if(Number2 != "") {
Number1 = parseFloat(Number1) / parseFloat(Number2);
}
NewNumber = "yes";
opvalue = '/';
Display(Number1);
}
function SqrtButton() {
Number1 = Math.sqrt(Number1);
NewNumber = "blank";
Display(Number1);
}
function PercentButton() {
if(NewNumber != "blank") {
Number2 *= .01;
NewNumber = "blank";
Display(Number2);
}
}
function RecipButton() {
Number1 = 1/Number1;
NewNumber = "blank";
Display(Number1);
}
function NegateButton() {
Number1 = parseFloat(-Number1);
NewNumber = "no";
Display(Number1);
}
function EqualButton() {
if(opvalue == '+') AddButton(0);
if(opvalue == '-') SubButton(0);
if(opvalue == '*') MultButton(0);
if(opvalue == '/') DivButton(0);
Number2 = "";
opvalue = "";
}// -->
</SCRIPT>
2
- Copiez et collez entre les balises <body> et </body> :
<center>
<form
name="calculatrice">
<table bgcolor="#aaaaaa"
width=220>
<tr><td>
<table bgcolor="#cccccc"
border=1>
<tr><td>
<table border=0 cellpadding=0>
<tr><td bgcolor="#000080"><b style="color:white">Calculator</b></td></tr>
<tr><td>
<table width="100%" border=0>
<tr><td colspan=6><input type="text" name="answer"
size=30 maxlength=30 onChange="CheckNumber(this.value)"></td></tr>
<tr><td colspan=6>
<table border=0 cellpadding=0>
<tr><td>
<input type="text" name="mem"
size=3 maxlength=3>
<input type="button" name="backspace"
class="red" value="Backspace" onClick="Backspace(document.calculator.answer.value);
return false;"> <input type="button" name="CE"
class="red" value=" CE " onClick="CECalc(); return
false;">
<input type="reset" name="C" class="red"
value=" C " onClick="ClearCalc(); return false;">
</td></tr>
</table>
</td></tr>
<tr><td><input
type="button" name="MC" class="red" value="
MC " onClick="MemoryClear(); return false;"></td>
<td><input type="button" name="calc7" class="blue"
value=" 7 " onClick="CheckNumber('7'); return false;"></td>
<td><input type="button" name="calc8" class="blue"
value=" 8 " onClick="CheckNumber('8'); return false;"></td>
<td><input type="button" name="calc9" class="blue"
value=" 9 " onClick="CheckNumber('9'); return false;"></td>
<td><input type="button" name="divide" class="red"
value=" / " onClick="DivButton(1); return false;"></td>
<td><input type="button" name="sqrt" class="blue"
value="sqrt" onClick="SqrtButton(); return false;"></td></tr>
<tr><td><input type="button" name="MR"
class="red" value=" MR " onClick="MemoryRecall(Memory);
return false;"></td>
<td><input type="button"
name="calc4" class="blue" value=" 4 " onClick="CheckNumber('4');
return false;"></td>
<td><input type="button"
name="calc5" class="blue" value=" 5 " onClick="CheckNumber('5');
return false;"></td>
<td><input type="button"
name="calc6" class="blue" value=" 6 " onClick="CheckNumber('6');
return false;"></td>
<td><input type="button"
name="multiply" class="red" value=" * " onClick="MultButton(1);
return false;"></td>
<td><input type="button"
name="percent" class="blue" value=" % " onClick="PercentButton();
return false;"></td></tr>
<tr><td><input
type="button" name="MS" class="red" value="
MS " onClick="MemorySubtract(document.calculator.answer.value); return
false;"></td>
<td><input type="button"
name="calc1" class="blue" value=" 1 " onClick="CheckNumber('1');
return false;"></td>
<td><input type="button"
name="calc2" class="blue" value=" 2 " onClick="CheckNumber('2');
return false;"></td>
<td><input type="button"
name="calc3" class="blue" value=" 3 " onClick="CheckNumber('3');
return false;"></td>
<td><input type="button"
name="minus" class="red" value=" - " onClick="SubButton(1);
return false;"></td>
<td><input type="button"
name="recip" class="blue" value="1/x " onClick="RecipButton();
return false;"></td></tr>
<tr><td><input
type="button" name="Mplus" class="red" value="
M+ " onClick="MemoryAdd(document.calculator.answer.value); return
false;"></td>
<td><input type="button"
name="calc0" class="blue" value=" 0 " onClick="CheckNumber('0');
return false;"></td>
<td><input type="button"
name="negate" class="blue" value="+/- " onClick="NegateButton();
return false;"></td>
<td><input type="button"
name="dot" class="blue" value=" . " onClick="CheckNumber('.');
return false;"></td>
<td><input type="button"
name="plus" class="red" value=" + " onClick="AddButton(1);
return false;"></td>
<td><input type="button"
name="equal" class="red" value=" = " onClick="EqualButton();
return false;"></td>
</tr>
</table>
</td></tr>
</table>
</td></tr>
</table>
</td></tr>
</table>
</form>
</center>
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