
Description: Mathdroid is a mobile app for solving math problems and graphs. It has a clean interface and supports basic arithmetic, algebra, trigonometry, graphs, and unit conversions. Good for students.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Qalculate! is an open-source multi-purpose calculator application for Linux, Windows, and macOS. It includes functions for algebra, calculus, statistics, physics, engineering, finances, and more. With its customizable interface and built-in unit converter, Qalculate! is a powerful tool for students, scientists, and engineers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API