Desktop Version

eCalc Scientific Calculator is available for Windows Desktop and Mac OS X Dashboard. Purchase now and receive instant-delivery or try the trial version for free.

Buy Mac OS X Scientific Calculator

iPhone Version

Desktop Versions

The basic version of eCalc is available as a free download for both Windows and Mac. Visit our downloads area and choose your preferred platform.

Desktop Basic Calculator Downloads

Online Version

Our basic version of eCalc is available for free online and is useful for performing simple calculations. This is a great resource for first time calculator users.

Basic Online Calculator

iGoogle Gadget

If you an iGoogle user, consider adding our basic calculator to your start page. You'll find it's great tool for quick calculations.

iGoogle Calculator Gadget

Embedded Gadget on your Website

Put the basic version of eCalc on your website! This is a great online resource for your visitors and it helps us out as well.

Embedded Calculator Gadget