The calculator must not be covered when turned on. This will cause the unit to overheat. Do not use organic solutions such as alcohol to clean the housing. Do not use or leave the calculator in the direct sun light. Area subject to quick temperature changes, high humidity and dirt should be avoided.
3. While holding the paper roll in one hand, feed the paper from the bottom of the roll and insert into the paper slot at the back of the calculator. 4. Depress paper feed key until the paper catches and advances through the printer.
Decimal point. When this key is used more than once in one numeral, the first decimal point will be considered as effective. [ + ] Plus key Adds an amount to the accumulator. To add the same amount more than one time (repeat addition), enter that mount once and depress the Plus key as many times as necessary.