👉 In the context of mathematics, a "sharp" number is one that is close to but not exactly equal to another value. For example, 3 and 4 are both numbers that are very close to each other in terms of their magnitude, but they are not exactly equal because they differ by 1. The term "sharp" can also refer to a mathematical function or operation that has sharp peaks or valleys at certain points, such as the derivative of a function. In calculus, sharp functions