Function library

TrueMath provides a library of built-in functions you can call from any activity equation. Functions take arguments separated by semicolons and are case-insensitive:

round(monthly_payment; 2)
pmt(loan_amount; 0; rate / 12; term * 12)

Many functions operate on a table as well as a single number, returning a table when given one. Many also accept unit numbers, carrying units through the calculation; where a function requires a specific kind of unit — such as an angle for trigonometry — its page says so.

Categories

Category	Functions
Arithmetic and powers	`+`, `-`, `*`, `/`, `^`, `mod`, `ch`, `sqrt`, `root`, `ln`, `log`, `alog`, `exp`
Trigonometry	`sin`, `cos`, `tan`, `asin`, `acos`, `atan`, `sec`, `csc`, `cot`, and hyperbolic forms
Rounding and numeric	`round`, `floor`, `ceil`, `abs`, `sign`, `ipart`, `fpart`
Unit functions	`unit`, `unitvalue`
Statistics	`sum`, `avg`, `min`, `max`, `median`, `stddev`, `variance`, `fact`, `perm`, `comb`, `rand`, and more
Finance	`pv`, `fv`, `pmt`, `rate`, `periods`, `amortization`, `npv`, `irr`, `effrate`, `nomrate`, and more
Table functions	`length`, `width`, `item`, `row`, `column`, `subset`, `lookup`, `vlookup`, `rlookup`, `sort`, `append`
Conditionals and logic	`if`, `choose`, `loop`

For operators and the order of operations, see Operators and precedence.

Units Operators and precedence

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