
Description: Linux Extcalc is a free, open-source calculator application for Linux. It provides standard calculator functions as well as more advanced mathematical and statistical features. Extcalc has a simple interface and supports copying math expressions to the clipboard.
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