# 9 Percent Effective Interest Table (Engineering Economy)

### Description

A table containing the number of periods and the corresponding engineering economic value given the "effective interest rate" and period.

### Usage

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### Format

A data.table data frame with 34 rows and 10 variables:

- n
The "number of interest periods"

- F/P
Future value given present value

- P/F
Present value given future value

- F/A
Future value given annual value

- P/A
Present value given annual value

- A/F
Annual value given future value

- A/P
Annual value given present value

- P/G
Present value given gradient

- A/G
Annual value given gradient

- n
The "number of interest periods"

### References

William G. Sullivan, Elin M. Wicks, and C. Patrick Koelling,

*Engineering Economy*, Fourteenth Edition, Upper Saddle River, New Jersey: Pearson/Prentice Hall, 2009, page 625-647.Masoud Olia, Ph.D., P.E. and Contributing Authors,

*Barron’s FE (Fundamentals of Engineering Exam)*, 3rd Edition, Hauppauge, New York: Barron’s Educational Series, Inc., 2015, page 178-187.

### Examples

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