I just wanted to know how could I place calculation or formula in my web page. I.e, if I wanted somebody to enter a given sets of number and displays the result based on the formula I set. Just like how online calculator work.

Here are a couple of links:

http://www.jonelo.de/java/bigal.html
http://www.primosoft.com/Applet/Calc.htm
http://www.thaman.com/Calculator.html
http://hotarea.com/fast/display.exe?show+javascript&miscellaneous&miscCalculate.html
http://cyberbrau.sourceforge.net
http://www.paul.baggethun.net/js/ac/amortizationCalc.html


Hopefully one of those is what you might be looking for.

Corey