Given four coordinates, write a function to check if they form a square on the XY plane.
How to find the position of an element in a vector without using the find function
Back to basics 21 - Matrix replicating
Getting the row and column location from a matrix
The sum of the numbers in the vector
02 - Vector Variables 3
Alternating 1´s and 0´s in a matrix
Get the value 100
Double the next!
Say type of roots in quadratic equation
Ratio between sum of primer numbers and non-prime numbers
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