Find all elements less than 0 or greater than 10 and replace them with NaN
Project Euler: Problem 4, Palindromic numbers
Calculate the area of a triangle between three points
Count letters occurence in text, specific to words with a given length.
Compute the harmonic numbers
List the nth prime quartet prefix
List the delete-a-digit primes
Determine whether a number is a cluster prime
Solve a Weird Calculator puzzle
Find the smallest integer m such that n divides m!
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