HP 113394 User Guide - Page 101

Section 7: Mathematics and Number-Alteration Functions 101 Integer. Pressing gÑ replaces the number in the display by its integer portion - that is, it replaces each digit to the right of the decimal point by 0. The number is changed inside the calculator as well as in the display. In RPN mode, the original number can be recalled to the display by pressing gF. Fractional. Pressing gT replaces the number in the display by its fractional portion - that is, it replaces all digits to the left of the decimal point by 0. Like gÑ, gT changes the number inside the calculator as well as its displayed version. In RPN mode, the original number can be recalled to the display by pressing gF. All of the above functions are used basically in the same way. For example, to find the reciprocal of 0.258: Keystrokes Display .258 y 0.258 3.88 Keys the number into the display. The reciprocal of 0.258, the original number. Any of the above functions can be done with a number in the display resulting from a previous calculation, as well as with a number you have just keyed in. The examples below indicate how gF can recall the original number for further use in RPN mode. Keystrokes (RPN mode) Display fCLEARX 3875968992 Displays all 10 digits of the number inside the calculator. fB 3.88 3.88 Display returns to normal format when X key is released. The number now in the display appears the same as before, but ... fCLEARX 3880000000 Displaying all 10 digits of the number inside the calculator shows fB has changed the number to match its displayed version. gÑ gF gT 3.88 3.00 3.88 0.88 Display returns to normal format. The integer portion of the number previously displayed. Recalls the original number to the display in RPN mode only. The fractional portion of the number previously displayed. File name: hp 12c pt_user's guide_English_HDPMF123E27 Page: 101 of 275 Printed Date: 2005/8/1 Dimension: 14.8 cm x 21 cm