An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. For example, 153 is an Armstrong number since 1^3 + 5^3 + 3^3 = 153.
Bottles of beer
Back to basics 10 - Max Float
Test if two numbers have the same digits
select the primes of a vector
construct matrix with identical rows
find radius of cone
MATCH THE STRINGS (2 CHAR) very easy
Given a 4x4 matrix, swap the two middle columns
Given area find sides
CONVERT TAN TO SIN
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