3
votes
1answer
198 views

An in line Exercise environment

In my lecture notes I want to leave some work as exercises and plan to give solutions later in the text. For example, "The proof of this theorem is left as an exercise (Exercise 1.2)". It must also ...
6
votes
1answer
460 views

How to use figure inside a exercise environment?

Trying to use figure inside an Exercise environment (exercise.sty) gives me "LaTeX Error: Not in outer par mode." Example: \documentclass{article} \usepackage[]{exercise} \begin{document} ...
15
votes
5answers
796 views

How to put a star (or other symbol) in sections that are “special” (difficult, optional, etc)?

I'm currently writing a book, and I'd like some of the sections to be clearly marked as "difficult" or "optional". Not only sections, but also exercises (I'm using the exercise package) and theorems ...
1
vote
2answers
249 views

Problem with the answers package.

I am using the answers package to build a series of exercises. The problem i have encountered is when going from \item $ 5x^2-x \geq 0 $ \begin{sol} $x \geq 1, x \leq 0$ \end{sol} to ...