HP 39gs Graphing manual Math functions by category, Function categories, Syntax

2.The list of functions (on the right) applies to the currently highlighted category (on the left). Use

and to switch between the category list and the function list.

3.Highlight the name of the function you want and

press . This copies the function name (and an initial parenthesis, if appropriate) to the edit line.

Function categories

•	Calculus	•	Loop	•	Symbolic
•	Complex	•	Matrix	•	Tests
	numbers	•	Polynomial	•	Trigonometry
•	Constant
		•	Probability		(Trig)
•	Convert
		•	Real numbers
•	Hyperbolic
			(Real)
	trigonometry	•	Two-variable
	(Hyperb.)
			statistics
•	Lists
			(Stat-Two)

Math functions by category

Syntax	Each function’s definition includes its syntax, that is, the
	exact order and spelling of a function’s name, its
	delimiters (punctuation), and its arguments. Note that the
	syntax for a function does not require spaces.

Functions common to keyboard and menus

These functions are common to the keyboard and MATH menu.

πFor a description, see “π” on page 13-8.

ARG	For a description, see “ARG” on
	page 13-7.
	For a description, see “ ∂ ” on
	page 11-7.
AND	For a description, see “AND” on
	page 13-19.

13-2 Using mathematical functions