Needs more test cases.
You can use regexp
Remove the polynomials that have positive real elements of their roots.
Project Euler: Problem 1, Multiples of 3 and 5
letter yes yes & letter no no
Find the hypotenuse
Check that number is whole number
Find out rooms, peak to peak, average for a square wave.
Find Excess 3 code of given decimal number.
Find out of matrix transpose Complex conjugate
Converter temp 0 to 200 degree C to 4 to 20mA
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