The Canon P170-DH-3 is a must-have for managing both home and business finances. Its compact design easily fits on your desktop, saving valuable space. Despite its small size, it's loaded with powerful business functions. With just a few key presses, you can quickly calculate cost, selling price, or profit margin. Key features include a double-check function, currency conversion, tax calculation, business calculation, time calculation, sign change, grand total, memory, percentage calculation, decimal and rounding, backspace, item count, clock and calendar, and it comes with a 5.7 cm paper roll.

Using the Canon P170-DH-3 is easy. First, make sure you have a properly installed 5.7 cm paper roll. When you start using it, you can use the number keys to enter figures. For basic calculations like addition, subtraction, multiplication, and division, just use the corresponding operation keys. To access special functions such as currency conversion or tax calculation, look for the dedicated keys on the calculator. When you're done with your calculations, you can use the backspace key to correct any mistakes. As for maintenance, keep the calculator clean by wiping it with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. Store it in a cool, dry place when not in use. If you notice any issues, check the batteries or power source first. Remember to handle the paper roll carefully to prevent jams.