Community Tip - Visit the PTCooler (the community lounge) to get to know your fellow community members and check out some of Dale's Friday Humor posts!
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Type the keyword Given before the equations (NOT as text: don't use ", or try to enter any spaces). Select Find(M,R), make sure the cursor is on the right (use Ins to toggle left and right), and click on "Symbolic evaluation" on the symbolics toolbar, or press Ctrl+.