Test if integer i is a square number. Return logical true if it is.
Replace NaNs with the number that appears to its left in the row.
Prime factor digits
03 - Matrix Variables 6
Calculate area of sector
Perimeter of a semicircle
Calculate days until Christmas
Convert Fahrenheit to Kelvin
Check if integer is a prime number
Calculate the area of a circle
Check if a number belongs in the fibonacci squence
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