For readability purpose these symbols are categorized by their function into tables. Symbol Symbol Name Meaning definition Example equals sign. There are 3 ways to write it in China.
For example 9a horse.
Eg using Quoras math markup if I write 23 and put it in math mode it comes out as 2 3 which is the way exponentiation is typically shown in mathematics. If a 1 button is dark blue you have already 1d it. After the Integral Symbol we put the function we want to find the integral of called the Integrand and then finish with dx to mean the slices go in the x direction and approach zero in width. A set is a collection of things usually numbers.