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"Master the Casio FX-991EX Classwiz Scientific Calculator with our comprehensive guide. Learn how to seamlessly convert numbers between Decimal, Binary, Hexadecimal, and Octal formats. Discover the secrets to converting rectangular coordinates to polar and vice versa, plus easily switch from Radians to Degrees. For complex number conversions, we've got you covered with a step-by-step guide on using your Casio calculator to transform rectangular numbers into polar form. Unlock the full potential of your Casio FX-991EX today!"

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