Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).
Additional test cases have been added.
Check if sorted
pressure to dB?
Return area of square
Calculate distance travelled when given radius and rotations
02 - Vector Variables 1
Find the mean of two vectors
Vector indexing: lower than mean
Sum two matrices
Matrix Ax=B problem
Simple String Concatenation
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