Description: Abacus is an ancient calculating tool used for basic arithmetic. It consists of beads or stones that slide on rods or in grooves, allowing quick mental calculation.
Type: software
Description: Numi is a beautifully designed calculator app for Mac that offers standard, scientific, programmer, and conversion calculator modes. It has a clean interface with large, tactile buttons and support for keyboard shortcuts.
Type: software
Pricing: Freemium