HP 10bII+ - Page 54

Business Percentages46
Example 2
You borrow 1,250 from a relative, and you agree to repay the loan in a year with 7% simple
interest. How much money will you owe?
Percent Change
Calculate the percent change between two numbers.
Example 1
Calculate the percent change between 291.7 and 316.8 using the in-line feature.
Example 2
Calculate the percent change between (12 × 5) and (65 + 18) using Æ.
For more information on in-line features, refer to chapter 2, Getting Started.
Table 3-2 Subtracting a percent in a calculation
Keys Display Description
G::A
200.00 Enters 200.
GV§
50.00 Multiplies 200 by 0.25 and
subtracts 50 from 200.
4
150.00 Completes the calculation.
Table 3-3 Adding a percent in a calculation
Keys Display Description
JGV:1j§
4
1,337.50 Calculates loan interest, 87.50
and adds 87.50 and 1250.00 to
show the repayment amount.
Table 3-4 Calculating the percent change
Keys Display Description
GdJ7j\¨
291.70 Enters number1.
DJS7g4
8.60 Calculates percent change.
Table 3-5 Calculating the percent change between two numbers
Keys Display Description
JGPVÆ
60.00 Calculates and enters number1.
Note the INPUT annunciator.
SV1Jg\¨
38.33 Calculates percent change.