Number: SHR-ELT100AB Description: Sharp® EL-T100AB Brain Exerciser Calculator, 10-Digit LCD, Dual Power Additional Information: Helps keep minds active with simple but challenging math drills that test your math skills. Choose the number of math drill questions in increments of 25, 50 or 100. Scores are based upon speed and accuracy level, which provide a brain's fitness level. Great for anyone who wants to brush up on simple math skills or exercise their brain. Also provides standard calculator functions and a right shift key for easy corrections. Power Source(s): Battery;Solar; Display Notation: Alphanumeric; Number of Display Digits: 10; Display Characters x Display Lines: 10 x 1. Helps keep minds active. Simple but challenging math drills. Scores based on speed and accuracy. Brain age measurement. Also features standard calculator functions and a right shift key for easy corrections. Status: Current Manufacturer Number: ELT100AB Manufacturer Name: SHARP ELECTRONICS +/- Switch Key Yes Power Source(s) Solar Total Recycled Content Percent 0% Replacement Batteries 1 CR2032 Display Characters x Display Lines 10 x 1 Tax Calculation Yes Backspace Key Yes Grand Total Key Yes Time/Date No Display Notation Alphanumeric Size 3.9 x 5.9 Memory 3-Key Currency Exchange Function No Percent Add-On/Discount Yes Markup/Down Key No Cost/Sell/Margin No Display Characters Height 12 mm Display Type(s) LCD Post-Consumer Recycled Content Percent 0% Pre-Consumer Recycled Content Percent 0% Percent Key(s) Yes Square Root Key No Number of Display Digits 10 Item Count Function No Global Product Type Calculators-Basic Display Angle Fixed