Apps similar to NumberHub include SpeedCrunch, which is free and open source. Other options are Qalculate!, Fossify Calculator, OpenCalc and CalcYou. There's no shortage of Calculators like NumberHub, with more than 50 alternatives for Android, Mac, Linux, iPhone and the web.
Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.
Poland
EU
Cuneo is a simple and straightforward app that lets you calculate and convert anything you might encounter in your daily life. Being designed like a widget, Cuneo gets out of the way and is best used floating over a maximized window so you can focus on your actual tasks and not...
A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.
Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.
Calculator with percentages, powers and functions. History with comments that is synced across all your devices. Cursor for editing anywhere. Simple interface with dark and light themes.
HungaryEU
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.
GermanyEU
A Simple but elegant Calculator app made with Flutter using Google's Material Design with Currency (Exchange Rate) and Unit Converter.
Calculator is a basic calculator application made by Apple Inc. and bundled with its macOS, iOS, and watchOS operating systems. It has three modes: basic, scientific, and programmer. The basic mode includes a number pad, buttons for adding, subtracting, multiplying, and...
United States
handyCalc is a powerful calculator with automatic suggestion and solving which makes it easier to learn and use.
A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:
