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Title: Comprehensive device for Engineers.
Review: The calc has all the functions needed for my engineering studies. In addition to the hardware features, the device looks really beautiful. Changing from rectangular to polar co-ordinate becomes easy. Permutations and Combinations etc etc are there. The integration and differential, though featured, doesn't come handy. You'll probably solve the calculus 10 times faster than with the device. Can use it for fun anyways. Good purchase.
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