Casio FX-991ES Plus 2nd edition - Vetenskaplig kalkylator - solcellspanel, batteri

Teknisk Räknare, calculator...

Grundläggande Addition, subtraktion, multiplikation, division
Vetenskaplig Kvadratrot, trigonometri, fraktion, komplexa tal, statistik, matris, differentiell, vektorer, ekvation, scientific constants, metrisk konvertering

https://www.casio-intl.com/asia/en/calc/products/fx-991ESPLUS-2/

https://www.computersalg.se/i/6209358/casio-fx-991es-plus-2nd-edition-vetenskaplig-kalkylator-solcellspanel-batteri