beek

A modern CLI calculator

Web version

Installation

cargo install --git https://github.com/mosmeh/beek

Reference

Operators

Operators	Description
`+`	addition
`-`	subtraction
``, `·`, `×`, whitespace*	multiplication
`/`, `÷`	division
`%`	modulo
`^`, `**`	exponentiation
`!`	factorial

Precedence and associativity (ordered from highest precedence to lowest):

Category	Operators	Associativity
factorial	`!`	left
exponentiation	`^`, `**`	right
multiplication	whitespace	left
multiplication	`*`, `·`, `×`, `/`, `÷`, `%`	left
addition	`+`, `-`	left

Built-in functions

abs, acos, acosh, asin, asinh, atan, atan2, atanh, cbrt, ceil, cos, cosh, degrees, erf, erfc, exp, floor, fract, gamma, hypot, lgamma, ln, log, log10, log2, max, min, pow, radians, random, round, sign, sin, sinh, sqrt, tan, tanh, trunc

Commands

Command	Description
`help`, `?`	show help
`list`, `ls`, `ll`	list constants, variables and user-defined functions
`delete`, `del`, `rm` variable/function ...	delete variable(s) or function(s)
`reset`	reset environment
`clear`, `cls`	clear screen
`quit`, `exit`	quit

Variable assignment

; mass = 5; velocity = 3
; energy = mass * velocity^2 / 2
 = 22.5

Function definition

; binomial(n, k) = n! / k! / (n-k)!
; binomial(5, 3)
 = 10

Math and special constants

e, π (pi) and τ (tau)
ans and _ store the last result

Development

beek's web version is made with WebAssembly. The following commands will build the Rust codes, convert them to WebAssembly, and opens the web version in the browser.

npm install
npm start

To build the web version with optimizations enabled, run:

npm run build

No-one-important/beek