CalcTastic Scientific Calculator Alternatives

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

Calculator++ is an advanced, modern and easy to use scientific calculator.

Qalculate! is a multiplatform multi-purpose desktop calculator.

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.

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

A practical calculating tool, unit conversion utility, and programming language designed to make physical calculations simple.

Doing now what patients need next! Read our community guidelines: https://t.co/B1qDGA9Dzu

Numi is a beautiful text calculator for Mac.

Open Source

RealCalc Scientific Calculator

calculate anything, anytime, anywhere... Free online calculators for everything. Some solve problems, some satisfy curiosity and some simply for fun.

Online app for engineering calculations. Solves systems of equations, checks and converts units automatically, supports plotting, and allows for the creation of a link to share your work. Free and open source, no registration required.

Open Source free

Calculate, convert, and split tips from your wrist

Blockpad is spreadsheet software re-imagined for engineering. It gives engineers a better way to create, manage, and share critical calculations.