HP 39GS hp 39gs_user's guide_English_E_HDPMG39AE13.pdf - Page 154

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