Scientific calculator CASIO FX-991EX-B, 552 functions, 77x165,5mm, black
![CASIO](https://cdn.celcen.pl/brand_img/5/322/156-5322-casio-logo-40x40.jpg)
2-line display Power supply: battery + solar power Dimensions: 11.1x77x165.5mm Weight: 90g Natural recording: yes ...
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