# Windows Calculator Alternatives for Windows

There are many alternatives to Windows Calculator for Windows if you are looking for a replacement. The best Windows alternative is SpeedCrunch, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Windows Calculator and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Windows Calculator are Insect (Free, Open Source), OpalCalc (Freemium), CalcTape (Freemium) and Calca (Paid).

- SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including: Unlimited Variables, Syntax Highlighting, Functions, with 'Automagic' Completion, 50 Decimal...
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com

##### SpeedCrunch vs Windows Calculator opinions

It is simply, fast and functional, any problems with formulas. Good bye caculator of windows 10.Clean and lots of keybinds for speed.It is like a good old copybook where you can write all formulas you need in "natural" way.It's a terminal based calculator. Features a good interface for inputting slightly longer calculations. Allows editing the input text if you make errors. Offline available, free, pleasing to the eye and customizable. - High precision scientific calculator with full support for physical units. - Evaluation of mathematical expressions - Parsing and handling of physical units (All SI units, imperial units, time-based units, ..
- OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.
- Freemium • Proprietary
- Windows

- CalcTape is a revolutionary new kind of pocket calculator. With CalcTape, also extensive calculations remain clearly structured. CalcTape makes the arithmetic process visible - you can generate intermediate results and subsequently correct or change all numbers and operations.
- Calca is a powerful symbolic calculator that updates as you type giving you instant answers. It solves equations and simplifies complex expressions. It's also a rich Markdown text editor so that you can explain your ideas alongside your calculations.
- Giac/Xcas is a free computer algebra system for Windows, Mac OS X and Linux/Unix (license GPL3, for commercial dual-license contact us).
- Frink is a practical calculating tool and programming language designed to make physical calculations simple, to help ensure that answers come out right, and to make a tool that's really useful in the real world.
- 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.
- 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.
- 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.