10-digit LCD display with punctuation.</br>Automatically switches from solar cells to battery power in low light.</br>Include percentage?? constant calculation?? and auto power off feature.</br>Includes memory plus?? memory minus and recall/clear memory keys.</br>Easy tax calculations.</br></br>Product Description</br></br>A great all purpose calculator the EL-377TB can do all of your basic functions as well as calculate taxes. The calculator also switches between battery power and solar power on its own.</br><br/>http://www.amazon.com/gp/product/B00006E21R