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On this blog we will track down the latest Amazon Kindle news. We will keep you up to date with whats hot in the bestsellers section, including books, ebooks and blogs... and we will also bring you great Kindle3 tips and tricks along with reviews for the latest KindleDX accessories.

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Kindle DX is a Calculator

Looks like I’ve found a new Easter Egg in Kindle DX. I’ve just tested my Kindle 2 and it doesn’t seem to do the trick with 2.0.3 software.

If you type mathematical expression like 2+2 in the search box on the home page the result shown would be result of this expression. See screenshot:

Kindle DX Calculator Easter Egg

Kindle DX Calculator Easter Egg

I’ve played around with it and it seems to support following operations:

  • Basic math: plus, minus, multiplication, division, power (^) and square root (sqrt)
  • Parenthesis
  • Trigonometry: sin, cos, tan, atan
  • Division by zero yields infinity result (∞)

I found this by sheer chance as I was trying to use search to find one of the two hundred PDF files I’m testing Kindle DX with right now by a portion of it’s name (6-2-3). Turns out Kindle DX doesn’t index file names but it did tell me that 6-2-3=1 :)

13 comments to Kindle DX is a Calculator

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