24 Game is a mathematical puzzle that make 4 numbers make evaluate to 24 with basic arithmetical operators ( +, -, ×, ÷). For example, given 4 numbers 1,5,5,5, we
Hypotrochoid is a curve very similar to Hypocycloid. But it is more general than Hypocycloid because the point we are tracing doesn’t have to lie on the circle. It can