...The software is designed, developed and deployed by MD. Tofael Ahmed. Planned and managed by Mafruha Al Makki Lobna the owner of Software Cottage. The software is developed using C++ programming language, Visual Studio 2017 and Qt5.11. MultiCalculator is tested on different windows platform (Windows 10 32 & 64, Windows 7 32 & 64 bit) no error found and run smoothly on mentioned platform. MultiCalculator is at it’s initial stage and time to time advanced and required update will be made. Updates will be available herein.