HP 48gII Graphing, 50g Graphing manual Contents

Contents

Contents	1
1. RPL Programming	11
Understanding Programming	11
The Contents of a Program	11
Calculations in a Program	12
Entering and Executing Programs	13
Viewing and Editing Programs	16
Creating Programs on a Computer	17
Using Local Variables	17
Creating Local Variables	17
Evaluating Local Names	19
Defining the Scope of Local Variables	19
Compiled Local Variables	110
Creating UserDefined Functions as Programs	110
Using Tests and Conditional Structures	111
Testing Conditions	111
Using Conditional Structures and Commands	113
Using Loop Structures	117
Using Definite Loop Structures	117
Using Indefinite Loop Structures	122
Using Loop Counters	125
Using Summations Instead of Loops	126
Using Flags	127
Types of Flags	127
Setting, Clearing, and Testing Flags	127
Recalling and Storing the Flag States	128
Using Subroutines	129
SingleStepping through a Program	131
Trapping Errors	133
Causing and Analyzing Errors	133
Making an Error Trap	135
Input	137
Data Input Commands	137
Using PROMPT, CONT for Input	137
Using DISP FREEZE HALT, CONT for Input	139
Using INPUT, ENTER for Input	140
Using INFORM and CHOOSE for Input	145
Beeping to Get Attention	148
Stopping a Program for Keystroke Input	148
Using WAIT for Keystroke Input	148
Using KEY for Keystroke Input	149
Output	149
Data Output Commands	149
Labeling Output with Tags	150
Labeling and Displaying Output as Strings	150
Pausing to Display Output	151
Using MSGBOX to Display Output	151
Using Menus with Programs	152
Using Menus for Input	152
Using Menus to Run Programs	153
Turning Off the Calculator from a Program	155
2. RPL Programming Examples	21
	Contents 1