The at (@) sign, the dollar sign ($) and the ampersand (&), for example, all function like ... 12th century music notation showing neumes and a single-line staff (image: wikipedia) So for my ...

One advantage of Palmer notation is that it can produce a very graphical image, akin to a 'map' of ... 6 using the Microsoft Word equation editor function. This was primarily to deal with the ...

This is called function notation and is just another way of expressing the relationship between two variables. Therefore, in general \(y = f(x)\).