Sharp EL-738 operation manual 7500000, 11600000, 5467, 800000

1 Calculating percent change

Sales in a company were $75,000 during the first year of opera- tion. The second year’s sales were $116,000. What percentage greater were the second year’s sales than first year’s sales?

In this calculation, the number of compound periods is set to 1 (default).

Procedure	Key operation	Display
Bring up the initial dis-	s	000
play in NORMAL mode.
Select percent change/	.B.b
compound interest
calculations, and set all		OLD PRC(PV)=
the variables to default
		000
values.
Enter the old value.	75000 Q	OLD PRC(PV)=
		7500000
Enter the new value.	i116000 Q	NEW PRC(FV)=
		11600000
Calculate the percent	i@	%(I/Y)=
change.		5467

Answer: The second year’s sales increased by 54.67% over the first year’s sales.

2 Calculating compound interest rate

You opened an account compounding annually and deposited $8,000 eighteen years ago. You currently have $9,800. What is the compound interest rate?

Procedure	Key operation	Display
Bring up the initial dis-	s	000
play in NORMAL mode.
Select percent change/	.B.b
compound interest
calculations, and set all		OLD PRC(PV)=
the variables to default
values.		000
Enter the old value.	8000 Q	OLD PRC(PV)=
		800000

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