Features tax keys?? rate keys?? and a mark-up key</br>Two-color desktop printing calculator</br>This product is manufactured in Thailand</br>Metric converter</br>10-Digits with punctuation</br>Fraction conversions</br>Solar and battery powered</br>3-key memory</br></br>Product Description</br></br>The Sharp EL344RB 10-Digit Calculator with Punctuation provides you quick and simple calculations without those extra confusing features. This twin-powered calculator also features a metric converter with 44 built-in conversions. The extra large 10-digit fraction display and colored conversion keys make the EL344RB easily operable. It performs all the basic functions - addition?? subtraction?? multiplication and division and also includes square root?? sign change?? and percent keys. This small but powerful calculator has a 3-key memory and will automatically turn off if left on unused.</br><br/>http://www.amazon.com/gp/product/B000II07IO