One of my biggest weakness was and is Math. I did not give it much thought till much later. A Consolation was that even Einstein was not good at math, but then he had a Excellent Math Friend who helped him out with that EMC2 thing.
But dont take chances, get your number right and be a Master of Calculus and Fourier Series.
FAQ, Formulas, Selected Answers, Schools. search for a term like binary division then you will get the answer
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The applet plots consecutive terms of a user-defined sequence or a series of functions. Those can be, in particular, Taylor series and Fourier series. A piecewise defined limit function can also be entered and plotted.