Mechanical Calculator, 12-Digit, Large LCD, Earthy Green, Round Keys

Mr. Pen mechanical calculator combines precise everyday calculating with satisfying mechanical switches and a fresh, desk-friendly look.

• 12-digit capacity — ideal for handling calculations with precision and ease.
• Large LCD display — clear, easy-to-read numbers for accurate inputs and outputs at a glance.
• Mechanical switch keys — tactile, responsive presses that feel smooth and satisfying.
• Round, colorful buttons — big, comfortable keys with an eye-catching aesthetic.
• Lightweight & portable — easy to carry and use at home, school, or the office.
• Auto shutoff after 10 minutes — helps conserve battery life and supports long-lasting use.
• Battery powered — operates on one AAA battery (not included).