I bought a Casio Calculator at the Office Max Store in Crystal Lake as it was an advertised sale item. Although it was inexpensive, I always believed Casio product to be superior to other electronic equipment so I purchased one as a gift. It is a 12 Digit, Tax & Exchange desktop calculator, model HR-8TM. My friend just recently confessed to me when I asked her how she likes using the calculator that it never worked right for her. I was so embarrassed! She told me the digital read display area does not show the numbers in their entirety... read full review »