Internet Calculator Logo
Internet Calculator


We develop HTML calculators that work on any device with a browser.  We take pride making them accurate, robust, and easy to use.  Our calculators are free for online use, or users can purchase their own ad-free copy.

Our 15 feature Basic Calculator is available for free use on our home page.  It's a four-function math calculator with memory, history, percent, plus more, and its resizable too.  Great in the office, classroom, and home.

We can incorporate our calculators on your website and we have also delivered Custom Calculators with corporate brands, special pages and unique features.  Let us know what you need . . .

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Screenshot of Basic Calculator

Western Lands Preservation

3% of our calculator revenue
supports . . .

Western Lands Preservation Logo

WLP Founder Steven Whitney on a rock