
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: Windows Calculator is a simple calculator app included in Windows operating systems. It provides basic arithmetic functions like addition, subtraction, multiplication, division, as well as scientific functions like sine, cosine, logarithms, etc.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API