Apps similar to Numbr include SpeedCrunch, which is free and open source. Other options are Qalculate!, Numi, Soulver and Kalk Calculator. You can choose from more than 10 Calculators like Numbr for Mac, Windows, Linux, iPhone and iPad.
High-precision scientific calculator for Windows, macOS, and Linux, handling up to 50-digit calculations with complex numbers, units, constants, vectors, and matrices. It supports user-defined variables and functions, editable history, per-result formatting, and tabs.
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
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...
Russia
Do you ever grab a calculator & the back of an envelope to work through an idea or problem that involves some math?
Australia
Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.
GermanyEU
OpalCalc is a brand new type of calculator for the PC. As easy to use as Notepad or a word processor, OpalCalc allows natural language in the sum and multi-line support so you can go back and adjust your previous calculations on the fly.
Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.
Hong Kong SAR China
A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.
Ever wanted to work something out, but your default calculator isn't powerful enough, and it's not worth creating a spreadsheet for?
Introducing Calculo, a revolutionary calculator app that goes beyond basic arithmetic to offer an unparalleled computational experience. Designed for both professionals and enthusiasts, Calculo redefines what you expect from a calculator, offering an extensive suite of features...
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".
