The Canon P23-DHV-3 is an outstanding printing calculator. It comes with a double check function, allowing you to verify your calculations accurately. Tax calculation and currency conversion features make it a great tool for business and daily use. It also offers business calculation, decimal and rounding options. With a built - in clock and calendar, it combines simplicity, portability, and convenience wherever you are. Included accessories are an AC adapter and a paper roll.

Using the Canon P23 - DHV - 3 is easy. Just turn it on using the power button. You can start entering numbers for basic calculations right away. For tax calculation, press the dedicated tax button and enter the tax rate. To use the currency conversion feature, select the currencies you want to convert between. When using the double check function, it will show if your calculation is correct. As for the clock and calendar, you can set the current time and date through the menu. Keep the calculator in a dry and clean place. Avoid exposing it to extreme temperatures. Replace the paper roll when it runs out, and use only the recommended type of paper. If you're using the AC adapter, make sure it's properly plugged in and there are no loose connections.