Product Information
Easily compute the most complex of mathematical problems, equations, and scientific formulae with the Casio FX-991ES Plus scientific calculator. The Casio 991ES calculator works with a dual power source, the primary being a built-in solar power cell that keeps it running for hours without any batteries. Moreover, with batteries installed, you can safely use it for weeks together without worrying of replacing them. You can practice all sorts of mathematical problems that appear at the GCSE, A Levels and above, with this Casio FX-991ES Plus scientific calculator. The Casio 991ES calculator resolves complex calculations, integrations, and logarithms in just a few steps.
Product Identifiers
Brand	Casio
MPN	FX991MS/ES
UPC	4971850182276
Model	FX-991ES Plus
eBay Product ID (ePID)	92844524
Product Key Features
Size	Handheld
Key Size	Regular
Type	Scientific
Additional Product Features
Power Source	Battery/Solar
Display Type	Large