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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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User manual for Casio FX-350ES PLUS - a user manual, servicing manual, settings and specifications ofCasio FX-350ES PLUS - page 7 - User manuals and advice for your devices - User-Manual.info
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