Using NumPy for array and matrix math in Python Many mathematical operations, especially in machine learning or data science, involve working with matrixes, or lists of numbers.

Move math to NumPy If you are doing matrix-based or array-based math and you don’t want the Python interpreter getting in the way, use NumPy.

Teaching in Room 9 Array for Area | 3rd Grade Math Special | 29m 1s | CC In this lesson, students will learn how to write an equation to find the area of rectangles by thinking of them as an array.