A command-line interface (CLI) primarily based calculator is a software program software designed for performing arithmetic operations inside a text-based terminal or console surroundings. Somewhat than a graphical interface with buttons and shows, customers work together with it by typing instructions and receiving text-based outcomes. A easy instance could be coming into `5 * 7` and receiving the output `35`.
This kind of calculator is valued for its effectivity and flexibility. Its light-weight nature makes it ultimate for methods with restricted sources, server environments, or conditions the place a graphical interface is unavailable or impractical. Traditionally, CLI calculators had been among the many earliest computational instruments out there, predating graphical person interfaces, and so they proceed to be related for scripting, automation, and system administration duties.