Given the radius x, y would be the area of a circle.
Pi = 3.1416
Back to basics 22 - Rotate a matrix
Get the length of a given vector
Product of Array
Compute LOG(1+X) in natural log
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
Vector with a repeated entry
Log of a number
ASCII code of a leter.
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