eVec = Hello
( eVec is a string, which is a vector of characters )
Rotate a Matrix by 90 degrees
Rotate input square matrix 90 degrees CCW without rot90
Count up then down
Calculate the derivative of a polynomial
07 - Common functions and indexing 5
05 - Vector Equations 1
04 - Scalar Equations 2
03 - Matrix Variables 2
06 - Matrix Equations 3
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