LCD display numerals measure .9" x .6" and the calculator features all the important scientific, statistical and trigonometric functions. The pad key features large keys with high visibility printing. Color differentiated operation keys. Automatic power down when left unattended. Fully portable 9" x 6.2" x 1.5"–just 14 ounces. Comes with a rechargeable battery and charger and a large print (16 point) user's manual. This talking version also comes with an audio jack and headphones.