Number of digits: 12 + 12 ●Memory: 2 + memo 1;Power source: T, W, P (combined use of solar battery and auxiliary battery) (LR44) ●Number of batteries: 1 ●Battery life: approx. 3 years;Size (D x W x H) mm:146 x 111 x 31.5 ●Weight (g):16;Function: Twin LCD display;tax calculation;Calculation Status Display;Multi-%;√(square root);Quaternary constant calculation;rough or approximate calculation;Shift;+/- (sign change);Key rollover function (fast typing function);2Zero key;million-digit entry;multimillion-digit delimitation;Able to display "billion and ten thousand" units in Chinese characters even when the number of digits is large.;The prices shown as reference prices are the prices assumed by the manufacturer at the time of product release. Please note that some of the models are made exclusively for Japanese market, hence the specifications and interface language is all in Japanese and cannot be changed to a different language. Also the voltage is adopted for Japanese standard ~ 100V ## About us want.ip Inc (a group company of Yahoo Japan), the leading cross-border e-retailer of all kinds of Japan products. We source all the products from official distributors or manufactures] ## Overseas Shipping Information As this is an overseas delivery product, it may take up to 2~5 business days to ship out. However, there may be a slight delay depending on the local delivery status and customs procedures. ## import tax Prices shown include customs duty. There is no need for customers to separately pay customs duties to the delivery company. ## Item Stock The stock quantity of the purchased product may change from time to time and may be out of stock after ordering. If there is no stock, it may be canceled after notification. ## Warranty Since this product is manufactured for Japanese market, warranty is not supported in your country. ## Voltage For electronic equipment, it is recommended to use a transformer just in case. This is because electronic equipment for Japan is designed to be used at 100V. (Some products are globally compatible.) ## want.jp Return Policies All returns must include the following or it will be rejected and returned back to you at your cost: - Product purchased from want.jp - Original Condition, no physical damage - All accessories, manuals, warranty registration card, etc. - All return requests can be submitted with valid return reason selected within 30 days after the item ordered.