Given a matrix, swap the 2nd & 3rd columns
CONVERT TAN TO SIN
Sum the 'edge' values of a matrix
Find the Nth Root of a Given Number
Evaluating a polynomial
Rotate Matrix @180 degree
Find out rooms, peak to peak, average for a square wave.
Average speed for the entire trip
Find Excess 3 code of given decimal number.
Find out magnitude of vector
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