A cylinder H cm high has a circumference of C cm. A string makes exactly N complete turns round the cylinder while its two ends touch the cylinder's top and bottom. How long is the string in cm?
Determine if a Given Number is a Triangle Number
Back to basics 11 - Max Integer
Generate a random matrix A of (1,-1)
The sum of the numbers in the vector
Sum of series VI
Number of divisors of a given number
Speed of light:Experiment
center of mass
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