ABACUS KEYBOARD / Keyboard

To reduce the reluctance of older adults, We want to change the input method
Abacus calculation is similiar to typing on the keyboard. The behavior of these two movements using both hands and has a different way for each input. The convergence of analog and digital technology is indicating, the reluctance of the elderly is decreased. In addition, the input of the ABACUS KEYBOARD method is designed to bring easy and convenience when entering the letters referred to.