World's Finest Online Calculators

Basic Calculator Secure


Same capabilities as our popular ad-funded 15-Feature Basic Calculator,

plus . . .

  • No ads
  • No images
  • No network calls
  • No tracking
  • No website frame
  • Small Footprint

Everything contained in a single file.  For use in secure computing environments.  Great in research labs, government facilities, and the military.  You can copy and use the calculator you buy on all your devices.

Get yours now . . .

$10 PayPal Payment  ▶  

We also have an Ad-Free only version available.

Learn More...

Intuitive Controls

We worked to make our Basic Calculator the easiest most intuitive four-function calculator on the Web . . .


Join our . . .  

Home   Calculators   Contact   Privacy Policy

Copyright © 2019   All Rights Reserved