CASIO CLASSWIZ fx-991EX
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07-28-2015, 02:25 AM
Post: #1
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CASIO CLASSWIZ fx-991EX
Just got the CLASSWIZ. Happy to say that solve application allows integrals and d/dx to be used, allowing easy calculations of extremums.
Nice little calculator, display scree, nice shirt pocket size. All clears, turning calculator off clears history as will a battery change. Has solar panel to compliment an LR44 button battery. Haven't checked much more out. Does cross and dot products of 3D vectors, does 4 by 4 matrix calculations. As proficient as CASIO 9860gii in returning answers in fractions, pi, square roots. |
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