OEIS link for a description of lunar arithmetic
Simply take the larger digit when adding and take the smaller digit when multiplying.
Summing Digits within Text
Find state names that start with the letter N
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Produce the following matrix
Hexagonal numbers on a spiral matrix
Is there a GPU Device?
Recaman Sequence - III
Decrypt a secret message!
Number of Even Elements in Fibonacci Sequence
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