Product Description Pocket-sized, durable calculator with giant SuperView™ display provides easy, immediate answers. Amazon.com An indispensable tool for students, households, and offices for quick math calculations, figuring finances, or converting cooking measurements, the TI-503SV pocket calculator is always at the ready with its large clear LCD, three-key memory, and battery-conserving operation. This compact unit measures just 5 by 3 by 0.5 inches and has a +/- switch key to simplify entering negative numbers. The 7-millimeter-tall character display is easy to read, and the soft large keys are comfortable to operate. The sizable eight-digit display is not sacrificed to the small size. Easy to use when traveling, in the kitchen, classroom, or home office, the TI-503SV is so economical you can have one in each room. Plus, an automatic shutoff feature conserves battery life. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); From the Manufacturer This compact, economical calculator works well for either handheld or desktop use. It offers pocket-size convenience with a giant eight-digit SuperView display that provides easy, on-the-spot answers. The roomy keyboard has well-spaced rubber keys. The change sign (+/-) key simplifies entering negative numbers. The unit is battery powered for operation anywhere. The automatic power down (APD) feature conserves battery life. See more