Try typing the following input in Maple 10.01 in 2D mode (on Mac OS X) input: (e) output: e when in fact what maple means is this: e The intended answer appears when you call simplify on the first result, but this seems dangerously easy to confuse, especially for inexperienced maple users, or if this was returned as the answer to a problem (like taking residues, where I discovered it) it could be easily overlooked -Matt

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