Highly efficient solar panel requires only 50 lux, works with any available light. Will never need batteries. 10 digit LCD + 2 digit exponent. 15 levels of parenthesis. 67 functions including all the preprogrammed functions of Large Display Scientific Calculator 830003 Plus; binary, octal decimal, sexagesimal, and hexadecimal conversion, and standard deviation. Comes with a soft carrying pouch, instructions and a button cell battery.

Dimensions: 5¼" x 2¾" x 7/16" (133 x 70 x 11 mm).