Large?? adjustable tilt display</br>Automatic power-off function</br>Double and triple zero keys</br>Decimal positions: A?? 4?? 3?? 2?? 0?? F</br>Sign change keys</br></br>Product Description</br></br>The Canon WS-1400H calculator has a wide range of features that solve your calculation problems quickly. With a 14-digit capacity?? large calculations such as currency exchanges can be easily accommodated. In addition?? the WS-1400H has a convenient key roll-over system for quick entry. The large?? durable plastic keytops with double-zero and triple-zero keys ensure accurate operation. Add to this the dual power capability - both solar and battery - and you'll see why the choice is clearly Canon.</br><br/>http://www.amazon.com/gp/product/B0051OMCPG