Commodore 64 User Manual page 139

10 X = VAL(" 123.456")
X = 123.456
10 X = VAL ("12A13B")
X = 12
10 X = VAL(" RIUO17") X =
0
10 X = VAL ("-1.23.45.67")
X = -1.23
OTHER FUNCTIONS
FRE(X)
This function returns the number of unused bytes available in memory,
regardless of the value of X. Note that FRE(X) will read out n negative
numbers if the number of unused bytes is over 32K.
POS(X)
This function returns the number of the column (0-39) at which the
next PRINT statement will begin on the screen. X may have any value
and is not used.
SPC(X)
This is used in a PRINT statement to skip X spaces forward.
TAB(X)
TAB is also used in a PRINT statement; the next item to be PRINTed will
be in column X.
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