OpenCalc is described as 'Lightweight calculator app for Android featuring scientific mode, multiple themes including Material You, calculation history, and minimal permissions for privacy' and is a Calculator in the education & reference category. There are more than 50 alternatives to OpenCalc for a variety of platforms, including Android, Windows, iPhone, iPad and Linux apps. The best OpenCalc alternative is SpeedCrunch, which is both free and Open Source. Other great apps like OpenCalc are Qalculate!, Fossify Calculator, yetCalc and NerdCalci.
A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the whole expression you are inputting, leading to a much more user friendly experience.
Calculator is a simple 4 function calculator, with a panel that has more advanced functions when you need them. It includes history, real time graphing, base conversion, and more. It also comes with a lockscreen widget, a floating calculator, and a wear app so you can use...
Calculator software try too hard to imitate the real thing. They end up big and clunky and their limitations are carried on. Kalq is a user experience experiment to discover an elegant solution to everyday calculations.
simple modern calculator that doesn't make you mash buttons. Accepts full mathematical expressions, for example:
Free online calculators for finance, health, math & science, engineering, and unit conversions. Fast, accurate, mobile-friendly.
China
A powerful, scriptable, modular calculator aimed at scientific, engineering or computing work. All features can be added, removed, and customised, and new features can be written in python.
United States
Liri Calculator is a cross-platform, Material Design calculator, currently in alpha stage.
Italy
EU
A Calculator with the most minimal design and custom themes available on the Play Store, N Calc is your next app for all your daily calculations or not-so-daily scientific ones.
WeCalc is a stylish calculator for daily use. It not only shows the input history, but also can be changed the input numbers, and dragged & dropped to change the position of the input characters, so helpful, especially involves lots of numbers for calculation.
A simple calculator for the COSMIC desktop. The calculator has an operations history, providing the ability to bring previous calculations back to the screen for further use or inspection.
Mexico
