Return a list sorted by number of occurrences
Arrange Vector in descending order
Given a 4x4 matrix, swap the two middle columns
Basic commands - rounding
Find scalar product of two polynomials a and b, given as vector array.
Convert array of decimal numbers into hexadecimal numbers array.
Divide polynomial p1 by p2.
Select primes from the matrix.
Find the sines of an isosceles triangle when given its area and height
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