Daisy – general-purpose TUI scientific calculator

Daisy is a pretty, general-purpose TUI scientific calculator with support for units, derivatives, and more.

This is free and open source software.

Key Features

  • Carefully designed and easy-to-read prompt.
  • Evaluate expressions:
    • Basic math: 103 / 2 * 43.
    • Functions: sqrt(1.4^3 + 4) * sin(pi / 4).
    • Scientific notation: 1.2e12 * 1e-5.
  • Supports exponential notation.
  • Supports many physical units, with metric and binary prefixes.
    • Unit operations: 2 day + 1 hour.
    • Unit conversion: 2 day + 1 hour to minutes.
    • Compound units: 10 m/s to mph.
    • Conversion errors: 1 liter to volt.
  • Supports variables:
    • Previous answer: ans + 2
    • Variable assignment: a = 143
  • Clear syntax, parsed input is always re-printed as a sanity check.
  • Useful, detailed error messages.

Website: git.betalupi.com/Mark/daisy
Support:
Developer: Mark
License: GNU General Public License v3.0

Daisy help

Daisy is written in Rust. Learn Rust with our recommended free books and free tutorials


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