HP HP-20S - Page 9

61 Programming
64 Creating Programs
66 Program Boundaries (LBL and RTN)
67 Entering Programs
68 Positioning the Program Pointer
69 Running Programs
69 Starting Programs With XEQ
70 Starting Programs With GTO and R/S
70 Stopping Programs
71 Clearing Programs
71 Editing Programs
72 Stepping Through Programs
73 Sample Program: Pythagorean Theorem
75 Sample Program: Random Number Generator
76 Subroutines
80 Branching and Conditionals
80 Branching (GTO)
81 Conditional Instructions—Decisions and
Control
85 Keystrokes for Other Conditionals
87 Available Program Memory
87 Nonprogrammable Functions
88 Built-in Program Library
89 Root Finder (root)
91 Numerical Integration (int)
94 Complex Operations (CPL)
97 3 X 3 Matrix Operations (3 bY 3)
102 Quadratic Equation (qQUAd)
105 Curve Fitting (Fit)
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