[. . . ] The socket outlet shall be installed near the equipment and shall be easily accessible. The calculator should be kept in areas free from extreme temperature changes, moisture, and dust. [. . . ] Division: The calculator will automatically remember the second number entered (the divisor) and instruction. When the Add mode is activated, the decimal point is automatically positioned according to the decimal selector setting. Use of , and will automatically override the Add mode and decimally correct answers will be printed at the preset decimal position. Calculation by the use of If the decimal selector is set to "F" then the answer is always rounded down ( ). A maximum of 4 digits can be stored (decimal point is not counted as a digit). Remove the printer cover by sliding it towards the back of the calculator. There are several situations which will cause an overflow or an error condition. If an "0 E" is displayed at the time of the error, must be used to clear the calculator. If an "E" with any numerals except zero is displayed, the error may be cleared with or and the calculation can still be continued. When the integer portion of the contents of the memory exceeds 12 digits. The rounding selector should be in the "5/4" position unless otherwise specified. The print/item count mode selector should " position unless be in the " otherwise specified. [. . . ] Perform two calculations using $840 and $525, both of which already include tax. This equipment complies with the requirements of Directives 89/336/EEC and 73/23/EEC as amended by 93/68/EEC. [. . . ]