In today's fast-paced lifestyle, no office is really complete without some kind of calculator, whether a desktop model or something more portable. Here are some important details for Texas Instruments Scientific Calculator. Length: 6", Width: 3-1/8", Type: Scientific. Features Width: 3-1/8" Length: 6" Display: LCD Functions: Mathematics, Science, Accounting, Calculation, Bookkeeping, Schools, Education Item: Scientific Calculator Power Supply: Battery Type: Scientific Display Digits: 10