The HP 30s combines value, higher-math power and sleek convenience in one stylish package for today's discerning student. And 250 functions and 10 memory registers covers lots of math classes and homework:

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Percentages and fractions—proper and improper |
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Physical constants and units |
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Angle modes and polar/rectangular conversions |
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Trig, hyperbolics and probabilities |
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Powers, roots, logs and exponentials |
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Multiple-variable expression storage and evaluation |
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1- and 2-variable statistics, with regression |
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Linear systems and quadratic solvers |
 And for all this, the price is the best calculation of all.
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