Apps similar to Numi include SpeedCrunch, which is free and open source. Other options are Qalculate!, Numara Calculator, fxSolver and Numbat. You're spoiled for choice with Calculators like Numi: we list more than 100 alternatives for Mac, Windows, Android, iPhone and the web.
SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.
Germany
EU
Qalculate! is a 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).
SwedenEU
Online math solver, equation editor and database, graphing calculator and science/engineering problem helper.
GermanyEU
High precision scientific calculator with full support for physical units (web and terminal versions).
GermanyEU
Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?
Australia
Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!
AustriaEU
Calculator provides simple and advanced mathematical functions in a beautifully designed app.
United States
A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems.
United States
Next generation notepad-based calculator, built with extendibility and privacy in mind. Works on Windows, macOS and Linux.
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.
