The S-Board 840 Design Numeric keypad from Bakker Elkhuizen is a 26-key numeric keypad which also doubles as a and fully functioning calculator. This keypad has its own LCD screen display to display calculating results and an extendable USB cable for plugging into the S-board 840 Compact Keyboard or any USB computer port.

The UltraBoard Numeric keypad from Bakker Elkhuizen is designed as a matching accessory to the UltraBoard 950 compact keyboard. It features the same slim low profile and crisp scissor-switch keys and has convenient Hotkeys for quickly accessing Email, Print Screen, Scroll Lock and Pause/Break functions. This 21-key numeric keypad can plug directly into any standard USB port, including those on the UltraBoard 950 keyboard.