The SWAP command swaps the contents in two memory variables.

Relational Operators

The relational operators that can be used in FOR loops and conditional branching are:

== (equal to), < (less than), > (greater than), (not equal to), (less than or equal to), (greater than or equal to).

Creating a New Program

1.Select NEW from the program menu and press [].

2.Select the calculation mode you want the program to run in and press

[].

3.Select one of the ten program areas (P0123456789) and press [].

4.Enter your program’s commands.

You can enter the calculator’s regular functions as commands.

To enter a program control instruction, press [ 2nd ] [ INST ] and make your selection.

To enter a space, press [ ALPHA ] [ SPC ].

5.A semicolon (;) indicates the end of a command. To enter more than one command on a command line, separate them with a semicolon. For example:

Line 1: INPUT A ; C = 0.5 × A ; PRINT ” C = ” , C ; END

You can also place each command or group of commands on a separate line, as follows. In this case, a trailing semicolon can be omitted.

Line 1: INPUT A ; C = 0.5 × A []

Line 2: PRINT ” C = ” , C ; END

Executing a Program

1.When you finish entering or editing a program, press [ CL/ESC ] to return

to the program menu, select RUN and press []. (Or you can press [ PROG ] in MAIN mode.)

2.Select the relevant program area and press [] to begin executing the program.

3.To re-execute the program, press [] while the program’s final result is on the display.

4.To abort the execution of a program, press [ CL/ESC ]. A message appears asking you to confirm that you want to stop the execution.

STOP : N Y

Press [ ] to move the cursor to Y and then press [].

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HP 9g Graphing manual Relational Operators, Creating a New Program, Executing a Program