
Description: Graph Toy is a free online graphing calculator that allows users to visually represent mathematical functions. It has an intuitive drag-and-drop interface to add and manipulate graphs, make annotations, and explore interactive examples.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: fxSolver is an online tool for solving math equations and calculating formulas. It supports various math functions and can solve equations with multiple variables.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API