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Learn how to navigate the Casio FX991EX Classwiz, TI-84, and BA II Plus calculators for essential conversions in finance and math. Master converting between decimal, binary, hexadecimal, and octal systems. Learn how to convert degrees to radians on the TI-84. Understand nominal and effective rate conversions on the BA II Plus. Get help troubleshooting why your Casio fx991EX calculator won't convert fractions to decimals. Improve your calculations and understanding with these essential tips and tricks.

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