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?
Find all elements less than 0 or greater than 10 and replace them with NaN
Which doors are open?
The Hitchhiker's Guide to MATLAB
Speed of light:Experiment
Which way to go?
rectangle in circle
How many rectangles in a grid ?
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