Change given string to number. (hint: there is already function)
Changing from ['1234'] to  is one of example
Please expand the test suite so that solutions like this do not work.
sum of first 'n' terms
Times 3 problem
UICBioE240 problem 1.13
Area of a Square
Make roundn function
Calculate inverse matrix in m by n matrix
Calculate geostrophic current
Where is 1?
Print true if
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