The Canon P23-DHV offers you simplicity, portability and convenience with your accounts and other calculations. The Time calculation feature in this Canon scientific calculator allows you to print complex time based fee structures. Carry out your everyday calculations with ease using this high performance Canon business calculator. Stay updated with the clock and calendar function in this Canon scientific calculator. Just by pressing a few keys, you can perform quick profit margin calculations with this Canon business calculator. The built-in battery indicator in the Canon P23-DHV alerts you when it is time to change your battery.