A better Notation is a digital one, which can be zoomed by clicking upon a component. Click on the Summation Symbol to get to the Wikipedia Article for the Summ

A better Notation is a digital one, which can be zoomed by clicking upon a component. Click on the Summation Symbol to get to the Wikipedia Article for the Summation. https://en.wikipedia.org/wiki/Summation https://en.wikipedia.org/wiki/Summation Click on a worked upon item to see its origin and a history of access and usage within the formuala/proof. TL,DR; A better Mathematic Notation is a VS for math.