Back to basics 22 - Rotate a matrix
Back to basics 23 - Triangular matrix
07 - Common functions and indexing 1
Multiply by 3
factorial of a number x
Convert array of decimal numbers into hexadecimal numbers array.
Sum positive elements of matrix.
Form a square matrix from four square sub-matrices
Find the volume of cone
Find the sines of an isosceles triangle when given its area and height
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