# Ruvenss Calculator Alternatives

Ruvenss Calculator is described as 'Simple yet very effective calculator with print capabilities and log registration' and is an app in the Education & Reference category. There are more than 50 alternatives to Ruvenss Calculator for a variety of platforms, including Windows, Android, Mac, Online / Web-based and Linux. The best alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Ruvenss Calculator are Wolfram Alpha (Freemium), Qalculate! (Free, Open Source), Windows Calculator (Free, Open Source) and Microsoft Mathematics (Free).

- A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like: - weight conversion - length conversion - temperature conversion - currency conversion Super simple to use. Caligator works the way you think.
- Its an app where you do maths like a normal person. It lets you type whatever you want and smartly figures out what is math and spits out an answer on the right pane.
- Programmable scientific calculator which has more than 150 mathematical functions and all of them return as many digits as you need. It can calculate with real numbers, complex numbers, fractions, vectors, matrices. Commands if, goto and print can be used to create scripts.
- XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done on this project since 2012, and nothing more will be done either.
Discontinued

XCALC is now a DEAD project per homepage, but it is still downloadable.

- SpeQ is a small, extensive mathematics program with a simple, intuitive interface. All calculations are entered in a sheet. In there you can freely add, edit and execute calculations. SpeQ supports all common functions, constants, and units.
- Rule of 3 Calculator is a portable tool that allows you to apply the mathematical Rule of Three in an easier, faster and more practical way! In order to represent decimal numbers, you must use "." instead "," (Example: 1.5 _ 2.33 _ 5.34687)
- A practical browser calculator that outputs results in real time!.
- Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.
- EBTCalc is a Reverse Polish Notation (RPN) calculator that can have custom buttons. Custom buttons are programmed in Javascript with a convenient editor. EBTCalc runs on Windows 10, OSX, and Linux as well as Android. EBTCalc is open source.