[. . . ] Do not press too hard against the LCD panel because it contains glass. [. . . ] Before starting memory calculations, press twice to clear the memory contents. For expressing calculation examples, only the symbols that are required for explanation are mentioned. Example procedures are listed in following manner unless otherwise specified. SHARP will not be liable nor responsible for any incidental or consequential economic or property damage caused by misuse and/or malfunctions of this product and its peripherals, unless such liability is acknowledged by law. [. . . ] However, the set tax rate may be changed or lost if the battery is consumed largely. [. . . ]