www.amazon.com/
Canon...
Calculator/.../B0006HWF...
Amazon.com, Inc.The keys (i.e., numbers) get stuck almost every time I use it. I have to actually wiggle the numbers so I can enter the next number. It's not the tape on the ribbon; ...
www.open.edu/...
calculator/content-section...
United States Open UniversityMay 3, 2012 - Early Years · Working with Young People .... 11 Natural logarithms and powers of e on your calculator ... The figure shows the display on a calculator screen.... If your calculator is not in Math mode, repeat the steps of Activity 1. ... arrow keysto move between the boxes when inputting the mixed number.
I was able to purchase a "refurbished" one on ebay - a company called "anything with a plug". Definitely five stars, I suggest anyone looking for a Casio DR-250HD to contact them.
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