
Description: ECW Expression Calculator is a free software used to create and evaluate mathematical expressions. It provides a simple interface to input formulas and view the step-by-step solution.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PCalc is an advanced calculator app for iOS and macOS. It provides extensive math and conversion features beyond the basic calculator, including unit conversions, formulas, variables, statistics, and programmability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API