Amazon.com : Sharp EL-506TSBBW 12-Digit Engineering/Scientific Calculator with Protective Hard Cover, Battery and Solar Hybrid Powered LCD Display, Great for Students and Professionals, Black : Office Products
EL-W535TGBBL Scientific Calculator by Sharp® SHRELW535TGBBL | OnTimeSupplies.com
Amazon.com : Sharp Calculators EL-W535TGBBL 16-Digit Scientific Calculator with WriteView, 4 Line Display, Battery and Solar Hybrid Powered LCD Display, Black & Blue, Black, Blue, 6.4" x 3.1" x 0.6" x 6.4" :