RealCalc Scientific Calculator Alternatives

SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Numi is a beautiful text calculator for Mac.

Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

Qalculate! is a multiplatform multi-purpose desktop calculator.

Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.

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PCalc is the powerful choice for scientists, engineers, students, programmers, or indeed anybody...

CALCU is a simple, yet beautiful and powerful calculator.

fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.

Google Search, also referred to as Google Web Search or simply Google, is a web search engine developed by Google. It is the most used search engine on the World Wide Web

OpalCalc is a brand new type of calculator for the PC.

Calculator for the GNOME Desktop Environment, formerly known as gcalc (and gcalctool CLI).