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.
Find nth maximum
Is this triangle right-angled?
Find the dimensions of a matrix
Given area find sides
Who invented zero?
Basics: 'Find the eigenvalues of given matrix
give-nth-decimal-place-of-pi up to 100 digits
CONVERT TAN TO SIN
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