Given four coordinates, write a function to check if they form a square on the XY plane.
Make a random, non-repeating vector.
Given a 4x4 matrix, swap the two middle columns
04 - Scalar Equations 2
Let's get back to school, and create multiplication tables
Check that number is whole number
Sum of a geometric series
Approximate the inverse tangent by power series
Double the next!
Get the value 100
Ratio between sum of primes and sum of factors
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