# RealCalc Scientific Calculator Alternatives for Windows

RealCalc Scientific Calculator is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. 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 RealCalc Scientific Calculator and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to RealCalc Scientific Calculator are Qalculate!, Windows Calculator, Insect and CalcTape.

- Freemium • Proprietary
- Android

- SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and a extensive list of features, including:
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com

##### SpeedCrunch vs RealCalc Scientific Calculator opinions

mixed hex and bin in/output and a bitmask display - Qalculate! is a multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation).
- A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.
- High precision scientific calculator with full support for physical units (web and terminal versions).
- 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.
- Freemium • Proprietary
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad

- Scientific calculator with arbitrary precision and portrait and landscape mode. Fraction and periodic numbers support. Looks like a real calculator! The calculator has up to 100 digits of significand and 9 digits of exponent.
- Multi Sum Calculator is a portable tool that calculates the sum of multiple values!
- A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.
- 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.
- A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like: