기능

• Ease of typing when using the left hand
• What is a calculator that is easy to type when using 3~5 fingers of the left hand? We thoroughly analyze the condition of hands and fingers during operation in cooperation with a specialized organization.
• Fits the left hand finger and is easy to hit.
• ergonomic stair keys, where the calculator matches the person, not the person
• By tilting the operation surface at an angle of 3°, it fits the left hand or finger. The keys themselves are arranged in a staircase shape, not diagonally, so that you can always hit them vertically. It has a new structure that makes it easy to hit with natural hands and arms.