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.
Sort a list of complex numbers based on far they are from the origin.
Back to basics 11 - Max Integer
How to subtract?
Sum of series I
String Delimination and Outputting
Find the index of the lowest number in a matrix
Vector Element Multiplication
More Simple String Concatenation
Matrix Ax=B problem
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