HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 156

hp40g+.book Page 2 Friday, December 9, 2005 1:03 AM To select a function NOTE 1. Press to display the MATH menu. The categories appear in alphabetical order. 2. Press or to scroll through the categories. To jump directly to a category, press the first letter of the category's name. Note: You do not need to press first. 3. 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. 4. 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. If you press while the MATH menu is open, CAS functions and commands are displayed. You can select a CAS function or command in the same way that you select a function from the MATH menu (by pressing the arrow keys and then ). The function or command selected appears on the edit line in HOME (and with an initial parenthesis, if appropriate). Function categories (MATH menu) • 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. 13-2 Using mathematical functions