<!-- TWO STEPS TO INSTALL 5 FUNCTION CALCULATOR:
1. Paste the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document -->
<!-- STEP ONE: Copy this code into the HEAD of your HTML document -->
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
function a_plus_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a+b
form.ans.value = c
}
function a_minus_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a-b
form.ans.value=c
}
function a_times_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a*b
form.ans.value=c
}
function a_div_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=a/b
form.ans.value = c
}
function a_pow_b(form) {
a=eval(form.a.value)
b=eval(form.b.value)
c=Math.pow(a, b)
form.ans.value = c
}
// End -->
</SCRIPT>
<!-- STEP TWO: Put this code into the BODY of your HTML document -->
<BODY>
<CENTER>
<FORM name="formx"><input type=text size=4 value=12 name="a">
<input type="button" value=" + " onClick="a_plus_b(this.form)">
<input type="button" value=" - " onClick="a_minus_b(this.form)">
<input type="button" value=" x " onClick="a_times_b(this.form)">
<input type="button" value=" / " onClick="a_div_b(this.form)">
<input type="button" value=" ^ " onClick="a_pow_b(this.form)">
<input type="number" size=4 value=3 name="b"> = <input type "number" value=0 name="ans" size=9>
</FORM>
</CENTER>
<!-- Script Size: 1.72 KB -->
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