Test suite changed to add the testing of usage of norm(), including the function name.
Some users might need to solve it again.
Tell me the slope
Flip the main diagonal of a matrix
Rotate input square matrix 90 degrees CCW without rot90
Switch matrix to a column vector
Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Find the definite integral of various linear functions
Similar Triangles - find the height of the tree
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Find the "ordinary" or Euclidean distance between A and Z
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