The calculator by default present under Windows is certainly efficient for basic counting, but if they want to pass to the upper speed, it is not ideal. Even in scientific mode, it is not of the most practical.
Multi Calculator is the adding machine par excellence to replace that of Windows from a distance. It has between others of prefabricated expressions to make easier your counting.On top of that it shows the operations which you perform in the screen on several so necessary lines. As a result, you will be able to correct if there are errors someplace without having to take everything back.