Find the number of points (x,y) in square lattice with x^2 + y^2 =< n. This is related to Jame's Problem 1387. Here you have to find the number of points within a circle.
Determine if input is odd
Find relatively common elements in matrix rows
Create a square matrix of multiples
Sort numbers by outside digits
CONVERT TAN TO SIN
Celsius to Fahrenheit converter
Periodic Table 101.
Celsius to Kelvin
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