Citizen CX-146 is an office calculator with advanced features like automatic percent calculations and markup calculations that can be particularly useful for accounting. You can also use it to calculate sales or purchase price with profit margin. The device has independent memory, which means that you can use it to store and recall multiple values while working on different calculations. Citizen CX-146 also offers a range of rounding options, including round off, round down, and round up, giving you more control over the precision of your results.