HP 12c Prestige Financial manual Trnd

Table 1-3 Keys and Functions

Key(s)	Description and Page Number in the User’s Guide
U!	Calculates factorial of number displayed in the X-
	register (page 83).
Factorial
Uk	Natural antilogarithm. Raise e to power of the
	number displayed in the X-register (page 83).
ex
Ul	Calculates natural logarithm (base e) of the number
	in the displayed X-register (page 83).
LN
TRND	Rounds mantissa of 10-digit number in X-register to
Round	match the display (page 83).
Un	Leaves only the integer portion of the number
	displayed in the X-register by truncating fractional
Integer function	portion. It replaces each digit to the right of the
	decimal point by 0. The original number can be
	recalled by pressing Ur (page 83).
Um	Leaves only the fractional portion of the number
	displayed in the X-register by truncating the integer
Fractional	portion. It replaces each digit to the left of the
function	decimal point by 0. The original number can be
	recalled by pressing Ur(page 84).

14 Getting Started