Sharp Calculators EL-233SB 8-Digit Pocket Calculator - Auto Power Off, 3-Key Memory - 8 Digits - LCD - Battery Powered - 0.3" x 2.4" x 4.1" - White - Plastic - 1 Each - Brooker Business Products
Amazon.com : Sharp EL-531TGBBW 12-Digit Scientific/Engineering Calculator with Protective Hard Cover, Battery and Solar Hybrid Powered LCD Display, Great for Students and Professionals, Black,Black and White : Office Products