Victor 10-digit scientific calculator, 9302, dual power, 3″ x 5″ x 1/2″, black scientific calculator offers a large two-line, alphanumeric lcd with 10-digit mantissa and two-digit exponent. Perform four basic functions with memory and 154 preprogrammed functions including fractions, logarithms, reciprocals, powers, roots, factorials, trigs and hyperbolic trigs, degrees, minutes, seconds and decimal to degree conversions. Calculate mixed fractions. Scientific calculator includes a protective hardshell slide case and runs on solar power with battery backup. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.