Convert an RGB code to the corresponding CMYK code for printing.
The RGB input is a [1×3] double array between 0 and 1.
CMYK must be a [1×4] double array between 0 and 1.
Get the area codes from a list of phone numbers
surface of a spherical planet
Similar Triangles - find the height of the tree
Wheat on a chessboard pt 1
Basics: Divide integers to get integer outputs in all cases
Compound interest - number e
Wien's displacement law
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