Extra large display, with 8 digits + 2 digit exponent. Programmable, up to 40 steps, with direct formula entry and program protection for future recall. Automatic power off. 6 levels of parenthesis. 46 preprogrammed functions including: statistical, hyperbolic, logarithmic, trigonometric, reciprocal, exponential, factorial, roots, square roots, cube roots, and more. A handy storage memory for storage of conversions. Comes with a soft carrying pouch, full instructions, and button cell battery. Dim: 5-1/4" x 2-3/4" x 7/16". Weight: 2 oz.