On: Tips for mathematical handwriting (2007)

[BeetleB]

I'm sorry, but you used ' to denote differentiation.

To have it his way, you'd right:

(derivative(right_expression))(expression)

and so on.

Clear as mud!

[fujinghg → BeetleB]

Good point. Urgh.

Perhaps he's a LISP programmer and has some spare brackets floating around :-)