numi

From their README

Numi

Numi is a handy calculator app for macOS. It allows you to describe tasks naturally and instantly get an answer. For example, $20 in euro - 5% discount or today + 2 weeks.

Installation

Desktop version for macOS can be downloaded from the app website or from releases page on GitHub.

Terminal version can be installed using provided shell command (same command used to update binary).

curl -sSL https://s.numi.app/cli | sh

Alternative way of installing using Homebrew: brew install nikolaeu/numi/numi-cli.

Alfred extension can be downloaded directly, requires terminal version to work.

Usage

Terminal version can be used this way:

numi-cli "20 inches in cm"

Most features of the Numi for macOS are supported in terminal. However, these are the features that have not yet been implemented:

  • ~Localization support~
  • ~Tokens (sum, prev, avg)~
  • ~Dates~
  • Timezone conversion
  • CSS
  • Variables
  • Plugins/extension