Calc

 

 
How to Make an Online Calculator with HTML and PHP | HungryPiranha.org

 

Easily Create a Custom Calculator

In this tutorial I’ll show you how to make a custom web-based calculator. You’ll be able to copy and paste the code, and modify it to make your calculater work however you like. Here’s an example of what you’ll be able to do:

Hungry Piranha Demo Calculator
Pick a Number:
Multiply by This Number:
Subtract This Number:
The answer is: