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@siwelwerd Student is taking quizzes online using sagecell.sagemath.org/ for calculator. They could use that on our classroom computer for the final but are concerned that if each student needs to compute a dozen RREFs then time will be a factor.
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@siwelwerd I'm more concerned about adding unnecessary stress to the exam environment by including an unnecessary chokepoint to progression on the exam, even if time is plentiful enough for all students to use the seven computers in the room to do their calculations.