Adesso CD-8185B 8 Digits Basic Calculator (Black) - Easy-to-read Display, Ergonomic Design, Durable, Dual Power, Auto Power Off, Power Save Mode, Non-slip Rubber Pad, Angled Display, Backspace Key - 4" - 8 Digits - LCD - Battery/Solar Powered - LR44 - 0.7" x 4" x 5.5" - Black - Desktop: