High precision scientific calculator with full support for physical units (web and terminal versions).


QwikTape is described as '- Write text, calculations, and annotations with the same ease as you would on paper or in a book' and is a Calculator in the education & reference category. There are eight alternatives to QwikTape for a variety of platforms, including Mac, Windows, Linux, iPhone and iPad apps. The best QwikTape alternative is Numbat, which is both free and Open Source. Other great apps like QwikTape are Qaltex, Numi, Soulver and NaSC.
High precision scientific calculator with full support for physical units (web and terminal versions).


Qaltex is a tape-like calculator with straightforward interface and a lot of features. It is inspired by many other similar applications, but solves their disadvantages and at the same time it is empowered with some unique options and widgets.




Numi is a handy calculator app for macOS. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks. Numi is not limited to simple calculations, it can solve expressions of any complexity, with...




Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?




Its an app where you do maths like a normal person. It lets you type whatever you want and smartly figures out what is math and spits out an answer on the right pane. Then you can plug those answers in to future equations and if that answer changes, so does the equations its...



A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.


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.




A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:
