FRE Function
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Returns the amount (in bytes) of available or unused memory.
FRE(numeric-expression)
FRE(stringexpression$)
■ numeric-expression A value that specifies the type of memory:
Value FRE returns
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-1 The size of the largest array
(nonstring) you can create
-2 The unused stack space
Any other number The available string space
■ stringexpression$ Any string expression. FRE compacts the free
string space into a single block, then returns
the amount of available string space.
Example:
PRINT "String Space", FRE("")
PRINT "Unused Stack Space", FRE(-2)
PRINT "Array Space", FRE(-1)