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


Qalculate! is described as '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)' and is a very popular Calculator in the education & reference category. There are more than 100 alternatives to Qalculate! for a variety of platforms, including Android, Windows, Mac, Web-based and Linux apps. The best Qalculate! alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Qalculate! are OpenCalc, fxSolver, Soulver and Numbat.
A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.


As a kid, I loved playing with a calculator. Whether a calculator watch or a TI-89, it offered an intoxicating command over impossibly large numbers and could be hacked to share messages with friends. Somewhere along the way, the calculator became another boring tool.




Calcuverter is a calculator and unit converter in one. Furthermore, you can enter queries in plain English. Normal desktop calculators always seemed counter-intuitive to me. Why emulate the limited interface (ie a numeric pad) of a pocket calculator, when you’ve got the power of...

Test Cal is a brand new calculator app designed specially for youngsters. You can use this app for your mathematical problems. Its special feature is its simplicity of organized features like using of sum or divide with single touch.




GlassCalc is a free, Windows calculator designed for quick input via keyboard. It forgoes the usual array of buttons for a single textbox where you can type an equation or mathematical expression, hit Enter, and get a result.




Numbr is a currency calculator, a notepad that understands your calculation. You can use notes with numbers alongside each other. And all your numbers are instantly calculated as you type.





A Simple but elegant Calculator app made with Flutter using Google's Material Design with Currency (Exchange Rate) and Unit Converter.




CrossCalc is day to day Scientific Calculator that can be used on all your devices. It respects your privacy and does not show any ads.




ESBCalc is a Freeware Scientific Calculator for Windows with Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic - including Base 10, Base 2 & Natural - plus more), Memory, Paper Trail, Result History List and more.

NumPad is a fast, lightweight web app with support for units, dates and more. It lets you keep notes and calculations in one document, gives you answers as you type, and it understands calculations like "£200 + 20%" or "2500kcal / 1 day in watts".

This free scientific calculator offers a number of useful features allowing you to carry out advanced calculations. Its simple and intuitive design makes it a pleasure to use. The calculator has all the functions that would be expected of a basic scientific calculator and a...



