[. . . ] : Grand total memory symbol Appears when a number is in the grand total memory. The calculator should be kept in areas free from extreme temperature changes, moisture, and dust. Since this product is not waterproof, do not use it or store it where fluids, for example water, can splash onto it. [. . . ] subtotal ­ Used to get subtotal(s) of additions and/or subtractions. When pressed following or , the subtotal is printed with "" and the calculation may be continued. CLEAR/CLEAR ENTRY KEY: Clear ­ This key also serves as a clear key for the calculation register and resets an error condition. Clear entry ­ When pressed after a number and before a function, clear the number. TOTAL KEY: When pressed after or , prints the total of addition and subtraction with "". EQUAL KEY: Gives the results of multiplication and division and performs repeat calculations with a constant. Multiplication: The calculator will automatically remember the first number entered (the multiplicand) and instruction. Division: The calculator will automatically remember the second number entered (the divisor) and instruction. 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, "­ ­ ­ ­ ­ ­ ­" will be printed in red and must be used to clear the calculator. When the integer portion of the contents of the memory exceeds 12 digits. Operating capacity: 12 digits Power source: AC: 120V, 60Hz Calculations: Four arithmetic, constant multiplication and division, power, add-on, tax, repeat addition and subtraction, reciprocal, grand total, item count calculation, markup, memory, etc. The rounding selector should be in the "5/4" position unless otherwise specified. The print / item count mode selector should be in the "P· If an error is made while entering a number, press or and enter the correct number. EXAMPLE 2: Perform two calculations using $840 and $525, both of which already include tax. Calculate the dollar difference (a) and the percent change (b) between two yearly sales figures $1, 500 in one year and $1, 300 in the previous. [. . . ] (d) Any replacement of accessories, glassware, consumable or peripheral items required through normal use of the product including but not limited to batteries, AC adapters, ribbons, correction tapes, ink rollers, cables, printwheel, or paper. (e) Any cosmetic damage to the surface or exterior that has been defaced or caused by normal wear and tear. (f) Any damage caused by external or environmental conditions, including but not limited to transmission line/power line voltage or liquid spillage. [. . . ]