High-Tech Calculator

Kenny Aral Apr 26, 2002

This calculator can do everything! Besides the basic functions: add, subtract, multiply, and divide. It can take the reciprocal, cos, sin, and tan of a number, square root, and has special square and cube buttons. Also does any power of a number you want, and looks great at the same time.

The JavaScript Source: Math Related: High-Tech Calculator

Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s). The script is yours!!!

<!-- TWO STEPS TO INSTALL HIGH-TECH CALCULATOR:

1.  Copy the coding into the HEAD of your HTML document

2.  Add the last code into the BODY of your HTML document  -->

<HEAD>

<!-- Begin

function DOit() {

var userinput = document.calc.input.value;

document.calc.input.value = eval(userinput);

}

function plus() {

document.calc.input.value += '+';

}

function minus() {

document.calc.input.value += '-';

}

function mult() {

document.calc.input.value += '*';

}

function div() {

document.calc.input.value += '/';

}

function decimal() {

document.calc.input.value += '.';

}

function openp() {

document.calc.input.value += '(';

}

function closep() {

document.calc.input.value += ')';

}

function num(x) {

document.calc.input.value += x;

}

function recip() {

document.calc.input.value = 1/(document.calc.input.value);

}

function square() {

document.calc.input.value = (document.calc.input.value)*(document.calc.input.value);

}

function cube() {

document.calc.input.value = (document.calc.input.value)*(document.calc.input.value)*(document.calc.input.value);

}

function pi() {

document.calc.input.value += Math.PI;

}

function plus_or_minus() {

document.calc.input.value *= -1;

}

function percent() {

document.calc.input.value *= .01;

}

function sqrt() {

document.calc.input.value = Math.sqrt(document.calc.input.value);

}

function power() {

var np = prompt("What power do you want? Must be a number!","")

document.calc.input.value = Math.pow(document.calc.input.value, np);

}

function cos() {

document.calc.input.value = Math.cos(document.calc.input.value);

}

function sin() {

document.calc.input.value = Math.sin(document.calc.input.value);

}

function tan() {

document.calc.input.value = Math.tan(document.calc.input.value);

}

function Round() {

document.calc.input.value = parseInt(document.calc.input.value);

}

//  End -->

</script>

</HEAD>

<BODY>

<TABLE>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

<tr>

</tr>

</TABLE>

</FORM>

<font face="arial, helvetica" size"-2">Free JavaScripts provided<br>

by <a href="http://javascriptsource.com">The JavaScript Source</a></font>

</center><p>

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High-Tech Calculator

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