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creating a graphic in a text cell
I'm teaching a statics course that naturally requires a lot of depictions of ropes, springs, pulleys, etc. To produce a graphic box I use Ctrl-1 and use the tool palette. This works, a bit painfully, but recently I ran into a need to depict angles with short arcs. I couldn't find a way of doing that that the graphic box would accept. Is there a way to specify an arc, and if so, how? I'm running Mathematica 188.8.131.52 under Mac OS X.6.8. Thanks. - Dushan Mitrovich PS, is there a way to delete a cell without using the mouse? The only way I know is to click on the right bracket(s), then hit Delete.