daisy/TODO.md

• Constant definitions
• Reference previous results
• Minimize parenthesis when printing expressions
• Sane autoconversion (mi + km)
• -> as "to"
• strip_unit function

Pre-release

• Commands to list constants, units, and substitutions
• Documentation (usage)
• Documentation (comments)
• Build.rs for constants
• Print with highlighting
• Cleanup tests, test commands, test units, trig/function tests
• Releases

General

• Optional config file
• Optional history file
• Compile to WASM, publish a webapp
• CLI Options: evaluate, disable replacement, disable special characters
• Trigonometry & function tests
• vhs demo

Internals

• Non-recursive treeify
• Faster factorial function. Maybe use gamma instead?
• Remove extra calls to .clone() in quantity module
• Arbitrary precision float (rug doesn't offer arbitrary exponents)
• Backend-independent colorful printing

Math Features

• Variable definitions (list and delete commands)
• Function definitions
• Dice
• Mean, Median, Min, Max: arrays and multi-argument functions
• Arbitrary base logarithm
• Derivatives
• CAS features (trig, roots and powers)
• Complex numbers
• acot/acoth functions
• Binary, hex, octal numbers
• Extra roots? (for convenience)
• Sums and products
• Unit info command
• Constant info command
• Convert to base unit

Prompt

• Live syntax/output (like firefox js terminal)
• Syntax highlight input and output
• fish-style tab completion
• Numbered expressions, history recall
• Better power printing
• Color configuration
• Show base units on error

Units

• long prefixes (megatonne, etc)
• Unit order h*kW vs kW*h
• Print units with powers instead of /
• HMS for degrees
• Exact radians, using pi constant?
• Constant toml file (update doc in units.toml)
• Weird units: flops, lumen, lux, bel

Bonus

• Plural unit names
• Manpage