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 .

Qalculate! is a multiplatform multi-purpose desktop calculator.

Open Source

Numi is a beautiful text calculator for Mac.

Open Source

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.

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

Access this 100% free and dependable online calculators designed to effortlessly solve fraction-related calculation problems, delivering precise and accurate results.

Helping you make rational decisions, one calculation at a time.

Calculatored presents the variety of calculation tools. Whether you are a Student, Teacher or a Businessmen you can find the best tool for your requirement.

Use the TDEE calculator to learn your Total Daily Energy Expenditure, a measure of how many calories you burn per day. This calculator displays MUCH more!

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

The 100% free and reliable online calculators that help you to solve any calculation-related problems and provides you with the precise measurements.

free

Simplify Your Life with Free Daily Calculators, Easily Embed our tools on Your Site or Blog

Open Source free

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