Perform additions, subtractions, multiplications and divisions, raise a number to power, find a number's root, and record results to memory using this command-line tool. #Standard calculator #Console calculator #Command-line calculator #Calculator #Calculate #Addition
Calculator is a command-line application that you can use to calculate basic math expressions in a Command Prompt (or PowerShell) interface.
It was initially designed as a school project and doesn't have complex features. However, the downloaded package includes the source code (written in C++) that can be studied by amateur programmers who've just started studying this language.
The tool's not wrapped in a setup kit. Instead, you can double-click the .exe from the downloaded files to launch Calculator in a Command Prompt instance. Also, it can be copied to a USB flash drive or other external storage device to effortlessly launch it on any PC. No new entries are added to the system registry, as it happens with most installers.
At startup, Calculator shows eight commands that you can trigger by just inputting their corresponding numbers and pressing Enter. It takes a step-by-step approach toward the whole process, asking you what to do on each turn.
For example, when it comes to additions, multiplications and divisions, it asks you how many numbers to process, then to enter each number in separate lines. After displaying the expression's result, it offers to store the value in its memory to reuse it. In the following step, it lets you choose between returning to the main menu and quitting to the desktop.
In the case of subtractions and divisions, it can process only two numbers for each expression. If you want to raise a number to a specific power, all you have to do is enter the base and exponent. You can also recall numbers recorded to memory.
If this action wasn't performed, the tool returns 0. The last command in the menu is for exiting. If you input letters or symbols instead of numbers, the program will enter a loop phase that you can only stop by exiting.
All things considered, Calculator offers a basic and practical command-line demo for those interested in studying the C++ source code of a standard calculator. However, it cannot be used as your go-to calculator due to its bugs and lack of additional options.
Calculator 1.4
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