HP 10bII+ Financial ]oI, Y\b, 1APa, G:\B

The Table 2-23below lists the two-number functions of the calculator.

Table 2-23 Two-number functions

Keys	Description
	Addition, subtraction,
1APa multiplication, division.
\Q	The power function.
\¨	% Change.
]9	Combinations.
]<	Permutations.
\Ç	The date and day, past or
	future, that is a given number of
	days from a given date.
\Ä	The number of days between
	two dates.
]I	Calculates the cumulative
	Student’s t probability given
	degrees of freedom and a t-
	value.
]oI	Calculates a t-value given
	degrees of freedom and the

cumulative Student’s t probability.

Two-number functions may be performed in either CHAIN or ALGEBRAIC mode.

Arithmetic with One-and Two-number Functions

Math functions operate on the number in the display.

Example 1

Calculate 1/4 , then calculate 20 + 47.2 + 1.12.

Table 2-24 Calculating the expression

KeysDisplay Description

Y\b 0.25 Calculates the reciprocal of 4.

G:\B 4.47 Calculates 20 .

Getting Started 39