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Sharp EL-9900 User Manual

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Chapter 11: Financial Features

Conversion functions

11

Apr ( Apr (effective interest rate, number of settlements)

Converts effective interest rate to nominal interest rate

Example

If the effective interest rate is

12.55%, how much is the

nominal interest rate for the

quarterly compound interest? If

the monthly compound interest

rate is 10.5%, how much is the

nominal interest rate?

12

Eff ( Eff (nominal interest rate, number of settlements)

Converts nominal interest rate to effective interest rate

Example

If the annual (nominal) interest

rate is 8%, how much is the

effective interest rate for

monthly compound interest?

How much is it over half a year?

13 days (

days (

start month.day year, end month.day year)

days (

day month.year, day month.year)

Calculates the number of days between dates entered (within the

range of 1950 to 2049)

Year, month, and day must be

entered in 2-digit form. For

example, enter 02 for 2002.

Calculate the number of days

from September 1, 1997 to

December 31, 2004.