would be typeset as 1 Abc, 2^{xx} Efg, 3^{yy} Hjk. These problem annotations should be used to describe the source of a problem. For example \prob[\openstax] would mark a problem as coming from the ...

We used the low-cost homework system Edfinity. Edfinity courses are mapped to specific OER textbooks, and all problems are algorithmic and coded in an open-source problem format. The link to ...

About 2 classes for Chapter 1, 4 classes for Chapter 2, 12 classes for Chapter 3 and 7 classes for Chapter 4.