I think "m*n" & "1*s" (or "m×n" & "1×s") may be clearer. I read "mXn" & "1Xs" firstly as variable names.
Which doors are open?
Check if number exists in vector
CONVERT TAN TO SIN
Solving Quadratic Equations (Version 1)
Check that number is whole number
Sum of Two Numbers
How many Integers?
Vertical matrix sort
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