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trouble feeding new paper
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Questions and Unsolved Support Problems
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does cannon make a desk top printing calculator that subtracts the 'normal' way : 12-6= 6
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how do i get the cover off to replace a new ink roller
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Changed the batteries and when I turned it on print, it won't print and there is an E in the lower...
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Canon P23-DH Calculator Manuals & Guides
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Tips & How To Guides for the Canon P23-DH Calculator
The Log function!!
I calculators you can't change or set the base of 'log' is default 10 so you need to know these: log x (base y) = log x / log y when log x it's...
written by vladp995
Changing your batteries
When you change your batteries don't take all four out at a time. There is a chance that your back up battery is and you might ruin your...
written by Pboy
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Specifications for Canon P23-DH Calculator
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Canon Contact Information
Main support number1 800 828-4040
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