
Description: Abacus is an ancient calculating tool used for basic arithmetic. It consists of beads or stones that slide on rods or in grooves, allowing quick mental calculation.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Precise Calculator is a free calculator app for Windows that provides more precise calculations than the standard Windows calculator. It has an intuitive interface and supports basic and scientific modes for different types of calculations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API