There is a number of calculators out there, and you can find one for practically any purpose you may have. Your choice should depend on what you are using a calculator for, and what kind of calculations you plan on doing.


3 on 1 vote

Michael Leshenko

4 on 1 vote

RJ Software

5 on 1 vote


4 on 1 vote

Saravel Corporation

4 on 1 vote

Loren Cook Company

5 on 1 vote

Institute of Engineering Thermophysics

4 on 1 vote


2 on 2 votes

Challenger Engine Software

2 on 1 vote

Gold Calculator Software Products

4 on 1 vote

MINPRO International

5 on 1 vote

Aquarius Soft

4 on 1 vote

Inza Performance

4 on 1 vote

Shawn Harrison

Fudje Software

Doc Design

HHS Software Corp


Milmega Ltd

2 on 1 vote

Black Cat Systems

Robbans Software & Webbdesign

Dlubal Software GmbH

On Center Software



Flexware, Inc.

4 on 1 vote

Engineered Software, Inc.

iSkysoft Studio