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4 Wait
Wait [natural number (1 to 255)]
Interrupts execution for the
(natural number) of seconds. If
no value is specified, interruption
continues until any key is
pressed.
• A symbol will flash at the upper
right corner of the screen during the wait.
• This command can be used for displaying intermediate results or
other information.
5 Rem
Rem comments
Comments start with Rem and extend to the end of the line.
These lines are ignored at execution.
Comments should be entered as notes for future reference, though
it should be noted that they do occupy some memory space.
6 End
End
Indicates the end of a program.
End is not necessary at the last line of the program.
7 Key
Key variable
If a numeric key or one of the cursor keys is pressed, the variable
is set to the corresponding numeric value as specified in the
following table.
Keys and Corresponding Numbers
keys
0
1
2
3
4
B BRNCH menu P B
See 6. Flow control tools on page 214.
Chapter 11: Programming Features
Numbers
keys
Numbers
5
0
6
1
7
2
8
3
9
4
keys
Numbers
'
5
10
;
6
11
{
7
12
}
8
13
9
209
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