Make fMat be a 5x3 matrix of random integers with values from -3 to 3
(Hint: use randi)
Test for randomness could be tightened (cf. Solution 1490988).
Fahrenheit to Celsius converter
The sum of the numbers in the vector
03 - Matrix Variables 2
Perfect Square or not
06 - Matrix Equations 3
03 - Matrix Variables 3
06 - Matrix Equations 1
02 - Vector Variables 3
07 - Common functions and indexing 3
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