HP 10bII+ Financial JjÆ, JjÆ, Jj\¨, Gd\¨, Gd1DD, 1VYAgj

Table 2-20 Example calculating percent change as an in-line function

Keys	Display	Description
Jj\¨	17.00	Enters number1, displays the
		PEND annunciator indicating the
		calculator is awaiting
		instructions.

Gd

4

29_ Enters number 2.

70.59Calculates the percent change.

Press M, and now calculate the same example using the Ækey to store the first number, then key in the second number and perform the operation.

Table 2-21 Example calculating percent change using ‘INPUT’

Keys	Display	Description
JjÆ	17.00	Enters number1, and displays
		the INPUT annunciator
		indicating the number has been
		stored.
Gd\¨		the percent change.
	70.59	Enters number 2 and calculates

Although the in-line function has fewer key strokes, performing this example using the Æ

key permits you to store a value and then perform other calculations following Æwithout using parentheses.

Table 2-22 Example displaying two-number functions with chain calculation

Keys	Display	Description
JjÆ	17.00	Enters number1, and displays
		the INPUT annunciator.
Gd1DD	87_	Enters and performs the chain
		calculation. Results are stored
1VYAgj		and used in the next operation.
		The PEND annunciator and the
		blinking cursor indicate an
		operation is pending as the
		calculator awaits instructions.
\¨	70.59	Calculates the percent change
		between 17 and the result of the

chain operation (29).

38 Getting Started