
Description: A derivative calculator is a mathematical software tool used to find the derivative of a function. It allows users to input a function and variables, and it will apply differentiation rules to determine the function's derivative.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Calculator++ is a free, open-source calculator application for Windows. It provides standard calculator functions as well as scientific, programmer, date calculation, and converter tools. Key features include customizable skins, history, memory functions, special constants, and the ability to create user-defined functions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API