Casio Water-Protected & Dust-Proof Calculators Mini Desk Type WM-320MT

Suitable for use even in demanding environments.

With this water- and dust-resistant calculator, there’s no need to worry about exposure to water, dust, or grime. It is recommended for use even at open-air markets, street stalls, and other outdoor businesses and at shops that sell fresh food.

Revolutionary new washable design

Since the keypad can be detached and washed with water, the calculator can be kept clean, sanitary, and pleasant to use for many years.