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546 Programming
R→B Syntax: R→B(integer)
Converts a decimal integer (base 10) to an integer in the
default base.
Example: R→B(13) returns #1101b (if the default base is
binary) or #Dh (if the default base is hexadecimal).
SETBITS Syntax: SETBITS(#integer[m] [,bits])
Sets the number of bits to represent integer. Valid values
are in the range –64 to 65. If m or bits is omitted, the
default value is used.
Example: SETBITS(#1111,b15) returns #1111b:15
SETBASE Syntax: SETBASE(#integer[m][c])
Displays integer expressed in base m in whatever base is
indicated by c, where can be 1 (for binary), 2 (for octal),
or 3 (for hexadecimal). Parameter m can be b (for binary),
d (for decimal), o (for octal), or h (for hexadecimal). If m
is omitted, the input is assumed to be in the default base.
Likewise, if c is omitted, the output is displayed in the
default base.
Examples: SETBASE (#34o,1) returns #11100b while
GETBASE (#1101) returns #0h ((if the default base is
hexadecimal).
I/O
I/O commands are used for inputting data into a
program, and for outputting data from a program. They
allow users to interact with programs.
These commands start the Matrix and List editors.
CHOOSE Syntax: CHOOSE(var, "title", "item1",
"item2",…,"itemn")
Displays a choose box with the title and containing the
choose items. If the user selects an object, the variable
whose name is provided will be updated to contain the
number of the selected object (an integer, 1, 2, 3, …) or
0 if the user taps .
Returns true (not zero) if the user selects an object,
otherwise return false (0).