A checkbook calculator is an easy and convenient way to calculate business expenses or payments. Doing math by hand or scrambling for a calculator every time you want to write a check can be a nightmare! These checkbook calculators are always handy and never get lost in the depths of your drawers. Additionally, they fit beautifully into our wide variety of checkbook covers, including genuine leather and our economical vinyl covers. This level of customization isn't available at your local bank, but it's available at your fingertips with a simple and affordable online order.