Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
Find the alphabetic word product
Determine if a Given Number is a Triangle Number
peta to nano (x-ray)
Compute a dot product of two vectors x and y
Matrix rotation as per given angle
Ratio between sum of primes and sum of factors
Say type of roots in quadratic equation
Check if is a square
Approximate the inverse tangent by power series
Ratio between sum of primer numbers and non-prime numbers
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