Replace multiples of 5 with NaN
Compare two input matrices
Square a Number
Rotate matrix by -90 degrees
Determinate if day D is a date that occurs during Daylight Saving Time in Italy
How many hours are there in a day in Italy?
Calculate cosine without cos(x)
Calculate the hypotenuse of a right triangle without using ^ and sqrt ()
Calculate sin(x) without sin(x)
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