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  • Sentry Tilt-Display Desktop Calculator, Black (CA270)
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Sentry Tilt-Display Desktop Calculator, Black (CA270)


Price: $4.43 & FREE Shipping on orders over $35. Details
In stock on March 29, 2015.
Order it now.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Solar powered with backup battery included for low light conditions
  • Eight digit LCD tilting display
  • Extra large keypad with multi-colored keys
  • Four button memory
  • Auto off
10 new from $0.49 1 used from $4.99

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$4.43 & FREE Shipping on orders over $35. Details In stock on March 29, 2015. Order it now. Ships from and sold by Amazon.com. Gift-wrap available.

Product Description

This large calculator is solar powered and includes a back-up battery for low-light conditions. The 8-digit LCD panel tilts for easy reading. The extra-large keypad has multi-colored keys. Other features include 4-button memory and auto off.

Product Information

Technical Details
Brand NameSentry Industries Inc.
Item Weight7.2 ounces
Product Dimensions10.5 x 7.8 x 1 inches
Item model numberCA270
ColorBlack
Number of Items1
Manufacturer Part NumberCA270
  
Additional Information
ASINB00112BS34
Best Sellers Rank #16,386 in Office Products (See top 100)
Shipping Weight7.2 ounces (View shipping rates and policies)
ShippingCurrently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
Date First AvailableApril 28, 2006
  
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Customer Questions & Answers

Customer Reviews

It is a well built unit and does a great job.
Amazon Customer
One only lasted a few months and now the other one stopped working.
Sherry
Large footprint and huge keys, a great desktop calculator.
Chris D York

Most Helpful Customer Reviews

3 of 3 people found the following review helpful By Comdet TOP 50 REVIEWER on June 21, 2012
Verified Purchase
I knew this was going to be a larger than normal calculator when I ordered it, but I was still surprised when it arrived. It's huge! It's 7.5 inches long and six inches wide. Certainly not something that you can fit into a pocket.

But for my needs (desktop use) a larger size works well. The buttons are easy to see and are well-spaced; the digits on the display are clear (the digits are about 0.7 inches high); and the display tilts so you can adjust it for the best viewing angle.

It also has what is becoming a rare feature on calculators - a dedicated memory clear button. I find that so much easier to use than the combo memory display/clear approach.

Basic functions only - 4 function math, percentages and square roots.

The negatives is mainly the build quality. No, I was not expecting it to be built like a tank given the price, but this is really cheap. It can be hard to determine if the key has registered a keystroke, and the whole front panel flexes if you push a key with only a moderate amount of force.

It appears that the battery is not replaceable. I base that on the fact that there is no access to a battery compartment, nor are there any instructions as to how to replace the battery.

Still, for the cheap price (about six bucks) this is about as good as you can get. Take a look at this if you need a BIG calculator.
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2 of 2 people found the following review helpful By Amazon Customer on April 25, 2012
Verified Purchase
Bought 2 of these since my wife tends to lose hers all the time. Gives me time to find 1 while she uses the other. It is a well built unit and does a great job.
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Verified Purchase
Put another $5 bucks with the price of this one and you can buy something 3 times as well built.
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By Anthony Scuderi on August 17, 2013
Verified Purchase
I don't know if they been sitting around for a long time batteries died quickly and not working all the time with light shining down on the photocell.
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Verified Purchase
Large footprint and huge keys, a great desktop calculator. Works perfectly, gonna be a pain to change internal battery in a few years, but worth it.
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