Casio fx-180P Manual De Operación página 33

I How to erase a program
An old program will be automatically overwritten by a new program if the same
program number is assigned to them.
To erase a program for making corrections or erase all 38 steps. operate the following
sequence. I
e To erase program P1 or P2:
Q (or Q l E]
Selects the LRN mode
0 To erase both P1 and P2:
{=3
I Jump instructions
There are two types of jump instructions as follows.
1. Unconditional return to the first step of program: RTN
Write the sequence of E] at the end of a program to execute it repeatedly.
Example: Let us use the unconditional return instruction in the regular octa-
hedron program explained on page 29. (In this case. the formula must
be modified to S = a2 x Zfl .l
Operation: @
T T No. step
2 x1 ¢—-—
5 x
5 3 | RTN
7 my \f—
8 =
9 INV RTN —
OPERATION READ-OUT
(Select RUN model El 0,
Result 8 for
' If a program includes an RTN instruction but neither ENT nor HLT. the program
will, once started. not stop in an endless loop. To stop the program in such a case,
press E3 .
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