deletions | additions       diff --git a/future-steps.tex b/future-steps.tex  index 890cb4d..1fb3030 100644  --- a/future-steps.tex  +++ b/future-steps.tex 
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exams and solutions will remain in a private repository and will be available upon request.  This both archives the course materials and provides a platform for easy dissemination.  Based on our experience with this semester's  edition, we will expand the pre-test to includemore  problems on statistics. statistics and astronomical coordinate systems. These pre-test questions are asked again on the final to provide a measurement of the student gain.