MUJI Calculator I'm giving this away because I no longer use it. No comments necessary. External dimensions: Approximately W69 x D115 x H7mm Weight: Approximately 53g (including battery) Accessories: 1 alkaline button battery (built-in), instruction manual 990 yen including tax This is a simple 8-digit calculator made of aluminum. It has twin power with a button battery and solar cell, so it runs on solar power in bright places.