Convert mathematical output to the form found in textbookswith traditional function names and notations.

Interactively...

Select the bracket of the cell you want to convert to traditional textbook form and choose Cell Convert To TraditionalForm:

Programmatically...

Apply TraditionalForm to an expression to get traditional textbook output directly:

Interactively...

Programmatically...

Apply TraditionalForm to an expression to get traditional textbook output directly:

Apply TraditionalForm to an expression to get traditional textbook output directly: