Casio FX-991ES Plus-2nd Edition Scientific Calculator
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39,715 reviews
covering
58 products
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Calculators
Experiential insights by users
About Casio FX-991ES Plus-2nd Edition Scientific Calculator
Overall Feedback:
86% positive
68% liked the long-lasting battery life, but 32% experienced sudden battery drain
I had a Casio calculator before which broke after falling into the road and being run over by a bus. I just upgraded to this one. Casio calculators are the best.
I am concerned about the calculator's battery life as it uses a solar cell battery. However, someone who has used the same product has had it for four years, which is why I purchased it.
72% found the button quality, but 28% encountered some lag
I dislike the design of the central button (scroll buttons).
74% praised the clear and bright display
I did not mention anything specific about the display clarity of the calculator.
85% liked the durable material, but 15% found it flimsy
I am concerned about the durability of the calculator with its solar cell battery. I am unsure of its longevity, but I bought the same product because someone I know has used it for four years.
85% liked its compact and lightweight design, but 15% found it too small
I am happy with the calculator but sad that Casio is switching to a simplified look, menu-driven version for the U.S. market.
