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This fifty-six function scientific calculator offers a ten-digit display and automatic shut-off. The Sentry CA656 is mostly black and has a curved rectangular shape.
The buttons on this battery-powered unit include DRG, EXP, RND, OCT, HEX, BIN, and many others. It is sold with instructions, a "Limited One-Year Warranty", and a hard case.
The model CA656 scientific calculator's manufacturer recommends it for professionals and high school/college students. Like many such calculators, it is Chinese-made.
Sentry produces a variety of small electronics, including headphones, portable radio receivers, and other calculators.
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