The Canon LS-100TS makes completing your business and tax calculations quick and easy. It features a large 10 digit LCD display so you can easily see and review your calculations. The calculator is easy to operate and has business and tax settings with cost, sell, margin, percentage and square root functionality. This is a tax calculator and is suitable for cost, sell and margin functionality. It has a large, angled LCD display for easy viewing. This calculator is dual powered utilising solar power with a backup battery. You can easily change between business and tax calculations simply by flipping the switch. It has a small and compact design which makes it easy to use and carry with you. This calculator is blue and white so you can easily find it amongst your other things.