Why does Casio not continue to make calculators with LED displays? If I knew the production would stop I would have taken better care of my 1975 pocket calculator. - Quora
Casio Databank Instructions
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Casio]I bought my Casio calculator watch 7 years ago today. Still on the same battery, although the original strap broke 6 months ago. : r/Watches
Mode d'emploi Casio Watch CA-53W-1CH - manuel d'utilisation, manuel de service, paramètres et spécifications Casio Watch CA-53W-1CH - Manuels d'utilisation et conseils pour vos dispositifs - User-Manual.info
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