Sharp 8-digit calculator, el243sb, w/cover, 2-1/2″ x 4-1/2″ x 1/2″, white handheld, dual-powered 8-digit calculator with hard cover is perfectly sized for pocket, briefcase or purse. Functions include addition, subtraction, division, multiplication, percentages and square roots. Three-key memory includes memory plus, minus and recall/clear memory keys. Calculator has a flat viewing angle and large, eight-digit, liquid crystal display (lcd) with punctuation. Calculator automatically switches from solar to battery power in low light. functions: addition subtraction division multiplication percentages square roots three key memory calculator features: auto power off auto power source switching includes: handheld calculator hard cover larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.