The Canon LS-123K calculator offers basic functions in a versatile design that brightens up homes and offices | Calculations don't need to be boring - Choose the Canon LS-123K series and you'll be spoilt with colours of blue, orange, green or pink to complement your work space as you complete tax and business calculations with ease | All the functions you need - Business and accounting has never been easier with several functions such as decimal point setter, percentage function and mark-up key | Always on with dual power - Save battery and use it for longer with solar and automatic battery back-up for use anywhere, anytime | Enjoy the extra large tilt display - The angled, crystal display supports 12 digits, making numbers easy to read, minimising glare and improving viewing | Make environmentally friendly calculations - This calculator sets new standards in environmental accountability with a large, clear LCD display panel and some parts made from recycled materials