 Best Sellers | | Home Sentry 250-Function Graphing Calculator, Silver (CA756) | |
|  | |  | | | Sentry 250-Function Graphing Calculator, Silver (CA756) | | | | | | | |
List Price:
| $39.99 | |
Our Price:
| $19.17
& eligible for FREE Super Saver Shipping on orders over $25.
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| $20.82 (52%)
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| | | SKU:
| | In Stock | | Availability:
Usually ships in 1 business days | | |
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| | Features | 250 functionsDot matrix displayAlpha numericAdvanced high speed calculationFully Programmable
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| | Description | This graphing calculator has 250 functions and advanced high speed calculation. It’s fully programmable. A hard protective case and long-life battery are included. It has zoom and trace functions, true algebraic logic, and binary, octal, decimal, and hex calculations. There is array-type memory. The display is dot matrix. It compares to the TI-83. | |
| | Product Details | | Product Length: | 6.25 inches | | Product Width: | 2.0 inches | | Product Height: | 11.0 inches | | Package Length: | 10.5 inches | | Package Width: | 5.8 inches | | Package Height: | 1.0 inches | | Package Weight: | 0.4 pounds | | Average Customer Rating: |  based on 6 reviews |
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| | Customer Reviews | Average Customer Review: ( 6 customer reviews )
Write an online review and share your thoughts with other customers.
Most Helpful Customer Reviews
12 of 12 found the following review helpful:
 Great Product Aug 23, 2007
By Justin C. Martin
This calculator is very capable of computing complicated algebraic equations. A lot of my classmates have a TI 34-36 and were having problems calculating fractions, or converting from decimal to fraction and back again. This is very easy to use and just a few minutes reading the guide will get you very familiar with how to use it. The bracket feature seems to confuse the calculator, so just use the parenthesis as often as you can. I was very surprised at it's capabilities, especially since I only paid $18.00 for it.
7 of 7 found the following review helpful:
 Good for the most part May 10, 2008
By E. L. Jennings
It does all you need it to. exponents, square roots, squares numbers, etc. It's very easy to use and the graph is also very easy to use. It's very hard to read exact numbers on the graph, probably due to the small size of the screen. If you want to graph a table, this feature doesn't exist with this calculator like it does with the more expensive TI-83.
7 of 7 found the following review helpful:
Sentry Graphic Calculator Feb 06, 2008
By Connie Backlund
"animal lover"
The calculator itself is fine. Seems easy to use and comes with the instruction book so that is a plus. However, the hard case fits the back of the calculator very well but DOES NOT stay on the front where it is needed the most!!! I probably would NOT buy this particular calculator again because the hard case does not protect it. It's fine if you don't want to carry it or take it anywhere. As long as you only keep it at home on a desk or something then it is fine.
 Sentry 250-function graphing calculator Dec 03, 2011
By pugglepants
I ended up returning this item because the manual was not helpful enough with programming the calculator. I purchased a more expensive item instead, one that was already programmed.
Do not waste your money Nov 13, 2011
By MrsK
I purchased this in hopes it would compare to the TI84, it does not. I guess because of the price I should have known it was too good to be true. My daughter was struggling with her algebra II with this calculator, to the point of tears, because she needed it to do multiple functions at a time. I ended up getting a TI84 for her so this calculator was a complete waste of money.
See all 6 customer reviews on Amazon.com
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