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Casio Fx-991EX Classwiz Advanced Engineering Scientific Calculator – 552 Functions, Solar Powered
About this item
If you're an engineer or a student deep in math, this is the calculator you want.
The Casio fx-991EX Classwiz packs 552 functions into a sleek, handheld body.
It's got a high-res LCD display with backlight, so you can see everything clearly, and it runs on both solar and battery, so you're never left in the dark.
It does calculus, statistics, matrices—you name it.
Perfect for advanced math, physics, or engineering courses.
Solar powered means the battery lasts forever.
Grab one and make your calculations way less painful.
USD$ 21.25 
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