TI-BASIC:Number Or List
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Routine Summary
Determines whether an input is a number or list.
Inputs
Ans - the number or list to examine
Outputs
Ans - 1 if the input is a number, 0 if it is a list (see criteria below)
Variables Used
Calculator Compatibility
TI-83/84/+/SE Author
Zeda Download
No download provided.
As long as Ans is always contains more than one element and the second element is not twice that of the first, this will determine if Ans is a list or not:
Ans(2)=2Ans(1
If Ans is a number, this will always return 1, else if it is a list meeting the above criteria it returns 0.
