[hollandheese]

Huh? Blue books are typically used for essays and are graded whole.

I've never seen anyone attempt blue books for anything else.

[SoftTalker]

Late 1980s blue books for almost everything that wasn’t multiple choice. The other style was multiple pages, with large “show your work here” areas below each question.

[rubidium]

I used them in graduate physics courses 2008-2010

[ramenbytes]

And I used them in a graduate physics course last fall.