Numi

Numi is a calculator application that allows users to type mathematical expressions in natural language, mixing numbers, units, currencies, and variables within a single line of text. It evaluates the expression in real time and displays the result, while also supporting conversion between different unit systems and time‑zone calculations. The program can store variables for reuse, export calculations, and provide a notification widget for quick access.

The software runs on macOS, Windows, and Linux, and includes a command‑line interface for scriptable use. It offers multilingual support, with the interface available in several languages such as English, French, German, Spanish, Italian, Russian, Traditional Chinese, and Korean. Numi is distributed as freeware and is positioned as a stable utility for everyday numeric and unit‑related tasks.