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 3 sides, find area of this triangle
Reverse the elements of an array
Finding perimeter of a rectangle
modulus of a number
Calculate inverse matrix in m by n matrix
Where is 1?
How to calculate log?
Calculate solution of given polynomial
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