Whether in the office at the desk, for commercial calculations in the shop or at home for private accounting, a pocket and desk calculator is an indispensable companion. Advantages of the CASIO MS-8E include: Currency conversion (1 rate): After entering and saving the desired exchange rate, amounts can be easily converted to another currency. Professional percentage calculation: Determine percentage increases and downs with separate display of the calculated value. Mark Up with Percentage Key: Quickly determine margins and markups in the commercial sector. Quick Correction Button: Delete current entries digits for quick correction without clearing the entire calculation. +/- sign change: e.g. from 100 to -100 or vice versa, at the touch of a button. Input Buffer: Entry backup function to prevent keys locked or missing inputs during fast successive strokes. "3-button memory: The memory keys can be used to store numbers for later use. M+: Storage and addition of positive values M-: Storage and addition of negative values MRC: display of the stored value and erasure of the entire memory. Calculation command display: The calculation type that is currently being executed is displayed as an icon on the display. Thousands subdivision: after three digits each, the thousands separation is visually represented by a marking. SOLAR / BATTERY POWERED: The devices are solar powered and are supported by battery power if required. If the calculator is not used for 6 minutes, it will automatically turn off. This also protects the battery. Memory protection battery: stored data, such as currency rates or tax rates, will not be lost when changing batteries or when the power is switched off. Rubber feet: on the back of the device.