HP 15C Manuale Utente Scaricare il pdf (Pagina 77)

Section 6: Programming Basics 77

Keystrokes

Display

1 ´ m %

1.0000

and R

allocated for data

storage; R

to R

available for

programming and advanced

functions.

19 ´ m%

19.0000

Original allocation: R

) and

below for data storage; R

, to

for programming and

advanced functions.

lm%

19.0000

Displays the current highest data

The m and W (memory status) functions are described in detail in

appendix C.

Keep in mind that an error message will result (given the above memory

configuration) if

You try to address a register higher than R

), which initially is

the highest register allocated to data storage (Error 3).

You have 322 occupied program bytes and try to load more program

lines (Error 4).

You try to run an advanced function with insufficient available

memory (Error 10).

Program Boundaries

End. Not every program needs to end with a n or ¦ instruction. If

you are at the end of occupied program memory, there is an automatic

n instruction, so you do not need to enter one. This can save you one

            

transferring execution to another routine using t (section 7).

Labels. Labels in a program (or subroutine) are markers telling the

calculator where to begin execution. Following an ´ label or G label

instruction, the calculator will search downward in program memory for the

For memory allocation and indirect addressing, registers R

through R

are referred to as R

through R

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 287 288

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HP 15C Manuale Utente Pagina 77

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