Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
Implement a ROT13 cipher
Say something funny
Concatenate two strings
Matlab Basics - Convert a row vector to a column vector
Divisible by 10
Alternating 1´s and 0´s in a matrix
Check if is a square
Approximate the inverse tangent by power series
Double the next!
Say type of roots in quadratic equation
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