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.
Given a 4x4 matrix, swap the two middle columns
kmph to mps
Generate a NaN...on purpose
sum of first 'n' terms
Print true if
Calculate inverse matrix in m by n matrix
Solve the system of linear equations
Two dimensional moving average
Calculate area of sector
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