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.
Replace May with April
Multiply a column by a row
Add two numbers
Calculate solution of given polynomial
How to calculate log?
Extract a specific part of matrix!
Find x in provided equation!
Determine point is located in a circle or not
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