Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
First N Perfect Squares
pressure to dB?
Return the Fibonacci Sequence
Perfect Square or not
Find the area of a triangle
Ratio between sum of primes and sum of factors
Double the next!
Check if is a square
Say type of roots in quadratic equation
Approximate the inverse tangent by power series
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