Find the numeric mean of the prime numbers in a matrix.
The Goldbach Conjecture, Part 2
Create a vector whose elements depend on the previous element
Celsius to Kelvin
Write c^3 as sum of two squares a^2+b^2
Implement a ROT13 cipher
Summing Digits within Text
Replace NaNs with the number that appears to its left in the row.
Remove the vowels
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