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Calculator Casio Engineering, 181 function, 155x78mm certified for exam (fx-220plus-s-eh) - AliExpress
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CASIO FX-220 Plus calcolatrice scientifica - 181 funzioni, Display a 2 linee : Amazon.co.uk: Stationery & Office Supplies
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How to define X and Y on this calculator (Casio fx-220 PLUS 2nd edition)? I can't figure it out since manual for this is for a few models and it doesn't tell
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Casio - fx-220 Fraction - - Scientific calculator - Casio fx220 Fraction - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
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