Berikut ini adalah script:
<html>
<head><title>JS - Calculator</title>
<script language="Javascript"><!--/* Variablen definieren */var plussign = ' + ';var minussign = ' - ';var multiplysign = ' * ';var dividesign = ' / ';var decimalsign = ' . ';var negativesign = ' -';var leftbracket = ' (';var rightbracket = ') ';var rad = 3.141592654 / 180;var base_10 = Math.LN10;var base_2 = Math.LN10;
function calculate(arg) { arg.expr.value = eval(arg.expr.value)}
function enter(arg, string) { arg.expr.value += string}
function clear_display(arg) { arg.expr.value = ' '}
function calc_sqrt(form) { form.expr.value = (Math.sqrt(form.expr.value))}
function calc_sqr(form) { form.expr.value = ((form.expr.value * 1) * (form.expr.value * 1))}
function sin_form(form) { form.expr.value = (Math.sin (form.expr.value * rad))}
function cos_form(form) { form.expr.value = (Math.cos (form.expr.value * rad))}
function tan_form(form) { form.expr.value = (Math.tan(form.expr.value * rad))}
function inverse(form) { form.expr.value = ( 1 / (form.expr.value))}
function base10_log(form) { form.expr.value = (Math.log(form.expr.value) / base_10)}
function base2_log(form) { form.expr.value = (Math.log(form.expr.value) / base_2)}//--></script>
</head>
<body><p align="center"><big><big>JavaScript - Calculator SMANEKA</big></big></p><form>
<table align="center" border="0" width="100" bgcolor="#CCCCCC" > <tr> <td width="100%" colspan="5"><input type="text" name="expr" size="35" action="calculate(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" sin " Onclick="sin_form(this.form)"></td> <td width="20%"><input type="button" value=" cos " OnClick="cos_form(this.form)"></td> <td width="20%"><input type="button" value=" tan " Onclick="tan_form(this.form)"></td> <td width="20%"><input type="button" value="log10e" onClick="base10_log(this.form)"></td> <td width="20%"><input type="button" value=" log2e " OnClick="base2_log(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" Sqrt " Onclick="calc_sqrt(this.form)"></td> <td width="20%"><input type="button" value=" Sqr " OnClick="calc_sqr(this.form)"></td> <td width="20%"><input type="button" value=" ( " OnClick="enter(this.form,leftbracket)"></td> <td width="20%"><input type="button" value=" ) " OnClick="enter(this.form,rightbracket)"></td> <td width="20%"><input type="button" value=" 1 / X " OnClick="inverse(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" 7 " onClick="enter(this.form, 7)"></td> <td width="20%"><input type="button" value=" 8 " onClick="enter(this.form, 8)"></td> <td width="20%"><input type="button" value=" 9 " onClick="enter(this.form, 9)"></td> <td width="40%" colspan="2"><input type="button" value=" C " onClick="clear_display(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" 4 " onClick="enter(this.form, 4)"></td> <td width="20%"><input type="button" value=" 5 " onClick="enter(this.form, 5)"></td> <td width="20%"><input type="button" value=" 6 " onClick="enter(this.form, 6)"></td> <td width="20%"><input type="button" value=" * " onClick="enter(this.form,multiplysign)"> </td> <td width="20%"> <input type="button" value=" / " onClick="enter(this.form,dividesign)"></td> </tr> <tr> <td width="20%"><input type="button" value=" 1 " onclick="enter(this.form, 1)"></td> <td width="20%"><input type="button" value=" 2 " onclick="enter(this.form, 2)"></td> <td width="20%"><input type="button" value=" 3 " onclick="enter(this.form, 3)"></td> <td width="20%"><input type="button" value=" + " onClick="enter(this.form,plussign)"> </td> <td width="20%"> <input type="button" value=" - " onClick="enter(this.form,minussign)"> </td> </tr> <tr> <td width="20%"><input type="button" value=" 0 " onClick="enter(this.form, 0)"></td> <td width="20%"><input type="button" value=" . " onClick="enter(this.form,decimalsign)"></td> <td width="20%"><input type="button" value=" neg " onClick="enter(this.form,negativesign)"></td> <td width="40%" colspan="2"><input type="button" value=" = " onClick="calculate(this.form)"></td> </tr></table>
</form></body>
</html>
<head><title>JS - Calculator</title>
<script language="Javascript"><!--/* Variablen definieren */var plussign = ' + ';var minussign = ' - ';var multiplysign = ' * ';var dividesign = ' / ';var decimalsign = ' . ';var negativesign = ' -';var leftbracket = ' (';var rightbracket = ') ';var rad = 3.141592654 / 180;var base_10 = Math.LN10;var base_2 = Math.LN10;
function calculate(arg) { arg.expr.value = eval(arg.expr.value)}
function enter(arg, string) { arg.expr.value += string}
function clear_display(arg) { arg.expr.value = ' '}
function calc_sqrt(form) { form.expr.value = (Math.sqrt(form.expr.value))}
function calc_sqr(form) { form.expr.value = ((form.expr.value * 1) * (form.expr.value * 1))}
function sin_form(form) { form.expr.value = (Math.sin (form.expr.value * rad))}
function cos_form(form) { form.expr.value = (Math.cos (form.expr.value * rad))}
function tan_form(form) { form.expr.value = (Math.tan(form.expr.value * rad))}
function inverse(form) { form.expr.value = ( 1 / (form.expr.value))}
function base10_log(form) { form.expr.value = (Math.log(form.expr.value) / base_10)}
function base2_log(form) { form.expr.value = (Math.log(form.expr.value) / base_2)}//--></script>
</head>
<body><p align="center"><big><big>JavaScript - Calculator SMANEKA</big></big></p><form>
<table align="center" border="0" width="100" bgcolor="#CCCCCC" > <tr> <td width="100%" colspan="5"><input type="text" name="expr" size="35" action="calculate(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" sin " Onclick="sin_form(this.form)"></td> <td width="20%"><input type="button" value=" cos " OnClick="cos_form(this.form)"></td> <td width="20%"><input type="button" value=" tan " Onclick="tan_form(this.form)"></td> <td width="20%"><input type="button" value="log10e" onClick="base10_log(this.form)"></td> <td width="20%"><input type="button" value=" log2e " OnClick="base2_log(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" Sqrt " Onclick="calc_sqrt(this.form)"></td> <td width="20%"><input type="button" value=" Sqr " OnClick="calc_sqr(this.form)"></td> <td width="20%"><input type="button" value=" ( " OnClick="enter(this.form,leftbracket)"></td> <td width="20%"><input type="button" value=" ) " OnClick="enter(this.form,rightbracket)"></td> <td width="20%"><input type="button" value=" 1 / X " OnClick="inverse(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" 7 " onClick="enter(this.form, 7)"></td> <td width="20%"><input type="button" value=" 8 " onClick="enter(this.form, 8)"></td> <td width="20%"><input type="button" value=" 9 " onClick="enter(this.form, 9)"></td> <td width="40%" colspan="2"><input type="button" value=" C " onClick="clear_display(this.form)"></td> </tr> <tr> <td width="20%"><input type="button" value=" 4 " onClick="enter(this.form, 4)"></td> <td width="20%"><input type="button" value=" 5 " onClick="enter(this.form, 5)"></td> <td width="20%"><input type="button" value=" 6 " onClick="enter(this.form, 6)"></td> <td width="20%"><input type="button" value=" * " onClick="enter(this.form,multiplysign)"> </td> <td width="20%"> <input type="button" value=" / " onClick="enter(this.form,dividesign)"></td> </tr> <tr> <td width="20%"><input type="button" value=" 1 " onclick="enter(this.form, 1)"></td> <td width="20%"><input type="button" value=" 2 " onclick="enter(this.form, 2)"></td> <td width="20%"><input type="button" value=" 3 " onclick="enter(this.form, 3)"></td> <td width="20%"><input type="button" value=" + " onClick="enter(this.form,plussign)"> </td> <td width="20%"> <input type="button" value=" - " onClick="enter(this.form,minussign)"> </td> </tr> <tr> <td width="20%"><input type="button" value=" 0 " onClick="enter(this.form, 0)"></td> <td width="20%"><input type="button" value=" . " onClick="enter(this.form,decimalsign)"></td> <td width="20%"><input type="button" value=" neg " onClick="enter(this.form,negativesign)"></td> <td width="40%" colspan="2"><input type="button" value=" = " onClick="calculate(this.form)"></td> </tr></table>
</form></body>
</html>
untuk program di bawah ini:
