NumPy Documentation
https://numpy.org/doc/

A Quick Introduction to Numerical Data Manipulation with Python and NumPy
https://github.com/mrdbourke/zero-to-mastery-ml/blob/master/section-2-data-science-and-ml-tools/introduction-to-numpy.ipynb

Introduction to Numerical Data Manipulation with Python and NumPy
https://github.com/mrdbourke/zero-to-mastery-ml/blob/master/section-2-data-science-and-ml-tools/introduction-to-numpy-video.ipynb

NumPy Practice
https://github.com/mrdbourke/zero-to-mastery-ml/blob/master/section-2-data-science-and-ml-tools/numpy-exercises.ipynb

NumPy Practice (solutions)
https://github.com/mrdbourke/zero-to-mastery-ml/blob/master/section-2-data-science-and-ml-tools/numpy-exercises-solutions.ipynb

The Basics of NumPy Arrays
https://jakevdp.github.io/PythonDataScienceHandbook/02.02-the-basics-of-numpy-arrays.html

A Visual Intro to NumPy and Data Representation
http://jalammar.github.io/visual-numpy/

Quickstart tutorial
https://numpy.org/doc/1.17/user/quickstart.html