HP HP12C hp 12c_user's guide_English_E_HDPMBF12E44.pdf - Page 203

Function Key Index General ; Power on /off key (page 16). f Shift key. Selects alternate function in gold above the function keys (page 16). Also used in display formatting (page 71). g Shift key. Selects alternate function in blue on the slanted face of the function keys (page 16). CLEARX after f, g, ?, : or i, cancels that key (page 18). fCLEARX also displays mantissa of number in the displayed X-register (page 73). Digit Entry \ Enters a copy of number in displayed X-register into Y-register. Used to separate numbers (pages 19 and 171). Þ Changes sign of number or exponent of 10 in X-register (page 17). É Enter exponent. After pressing, next numbers keyed in are exponents of 10 (page 18). 0 -9 digits. Used for keying in numbers (page 19) and display formatting (page 71). . Decimal point (page 17). Also used for display formatting (page 71). O Clears contents of displayed X-register to zero (page 18). Arithmetic +-§z} Arithm etic operators (page 19). Storage Registers ? Store. Followed by number key, decimal point and number key, or top row financial key, stores displayed number in storage register specified (page 23). Also used to perform storage register arithmetic (page 24). : Recall. Followed by number key, decimal point and number key, or top-row financial key, recalls value from storage register specified into the displayed X-register (page 23). CLEAR H Clears contents of stack (X,Y,Z and T), all storage registers, statistical registers, and financial registers (page 24). Leaves program memory untouched; not programmable. Percentage b Computes x% of y and retains the y-value in the Y-register (page 26). à Computes percent of change between number in Y-register and number in displayed X-register (page 27). Z Computes percent that x is of number in Y-register (page 28). Calendar Ô Sets date format to day-month-year (page 30); not programmable. Õ Sets date format to month-day-year (page 29); not programmable. D Changes a date in the Y-register by the number of days in the X-register and displays day of week (page 30). Ò Computes the number of days between two dates in the Y and X-registers (page 31). 203 File name: hp 12c_user's guide_English_HDPMBF12E44 Printered Date: 2005/7/29 Page: 203 of 209 Dimension: 14.8 cm x 21 cm