QS-2130 Compact Desktop Calculator by Sharp® SHRQS2130 | OnTimeSupplies.com
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
Sharp Scientific Calculator With 2 Line Display EL531TGBBW - Office Depot