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  • Sentry's version(CA756) of Texas Instruments Graphing Calculator
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Sentry's version(CA756) of Texas Instruments Graphing Calculator


Currently unavailable.
We don't know when or if this item will be back in stock.
  • Sentry Industries version of Texas Instruments TI-83 Plus Graphing Calculator
  • 250 Function Graphing Calculator
  • Dot Matrix Display
  • Alpha-Numeric
  • Advanced Calculation

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Product Details

  • Shipping Weight: 1 pounds
  • ASIN: B0012MV0SG
  • Average Customer Review: 1.0 out of 5 stars  See all reviews (2 customer reviews)
  • Date first available at Amazon.com: January 15, 2008

Product Description

• 250 Function Graphing Calculator • Dot Matrix Display • Alpha-Numeric • Advanced Calculation • Fully Programmable • Protective Case Included • Stylish Ergonomic Design • Comprehensive User Manual • Array-Type Memory • Zoom & Trace Functions • True Algebraic Logic • Binary, Octal, Decimal & Hex Calculation Sentry's Graphing scientific calculator is ideal for advanced math, algebra, trigonometry, and statistics. Perfect for high school, college students, and professionals performing advanced calculations. Detailed user manual included. Dot Matrix display. Includes hard protective case, 250 pre-programmed scientific functions, true algebraic logic, automatic power off, alpha-numeric calculation, memory and statistic calculation, and binary, octal, decimal, and hexadecimal number calculation.

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Customer Reviews

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Most Helpful Customer Reviews

38 of 39 people found the following review helpful By Shopping Queen on August 5, 2008
Verified Purchase
I ordered this Sentry Graphing Calculator because of it's claim of "Compare to TI-83 calculator". I'm taking a Statistics class and this calculator is nothing like the TI-83. I was trying to save money, but now I'm going to purchase the TI-84 as previously recommended by my professor in the first place. I shouldn't have to read the manual to figure out which buttons are comparable to the buttons on the TI-83. I received great customer support from this vendor when the calculator went missing in transit, but I'm very dissatisfied with the product I received. Buyer Beware......the saying "You get what you pay for" is right on the money this time !!!
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9 of 9 people found the following review helpful By C. Stilwell on January 22, 2011
I bought this at Kroger - it was on sale for $15 and I thought what a fabulous bargain. I need it for finite math and calculus this semester but I really don't see myself using a graphing calculator (accounting major). This is the biggest piece of junk ever. I ordered a TI 84 and paid for expedited shipping - I can't even do my homework for the first week of class on the Sentry. The screen is so small and the graphs are, for lack of a better word, impossible to read. They are pixel-y to the point that if you need to determine a point on a graph, providing you don't get an error even for the most simple equations, you might as well just make a guess because you won't be able to tell where on the graph it is. The instructions probably would make sense if I already knew how to use the calculator - impossible.

I rarely write negative reviews but if this saves just one student the frustration and aggravation this calculator has caused me, I'm glad I wrote it.
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