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A high-precision partially-symbolic calculator with support for units, derivatives, and more.

This is nowhere near complete. Stay tuned.

TODO

Before For 1.0 release

+ as a unary operator
Compare operators => *, / should have the same priority!
Commands
Documentation (usage)
Documentation (comments)
Units

General

CLI Options: version, help, evaluate
Compile to WASM => webapp
Trig tests
Fix tests
- Direct expression printing
- Better comparison

Internals

Copy expression
Non-recursive treeify
Faster factorial function. Maybe use gamma instead?
Remove extra calls to .clone()
Arbitrary precision float (rug doesn't offer arbitrary exponents)

Features

Variable definitions
Function definitions
Units
Dice
Mean, Median, Min, Max: arrays and multi-arg functions
Derivatives
MiniCAS
Complex numbers
Config file
History to file
Reference previous results
acot/acoth functions

Prompt

Live syntax/output