Track your banking and credit balances easily 0.6in. LCD with large numbers makes it easy to read. 3 memory locations for monitoring several accounts at once. Designed for 1 checking and 2 charge accounts. You can also keep track of a personal budget or income and expense records in 1 of the 3 independent memories. Large, rubberized keys are soft to the touch. Lock mode lets you set a password to keep your data secure. Soft black leatherette wallet holds the calculator. Also holds checks, bank receipts, credit cards and more. Solar-powered for portable use. Built-in lithium battery maintains your memory files. Datexx DB-403 Portable Checkbook Calculator is one of many Display Calculators available through Office Depot. Made by Datexx.