# Knowledge Base

## Solution 34792: Computing Nominal and Effective Interest Rates on the TI-84 Plus C Silver Edition Graphing Calculator.

### How do I compute the nominal and effective interest rates on a TI-84 Plus C Silver Edition?

The examples below will demonstrate how to calculate nominal and effective interest rates on a TI-84 Plus C Silver Edition.

Use the ►Nom() function to compute the nominal interest rate. The syntax for this function is ►Nom(effective rate, compounding periods).

Use the ►Eff() function to compute the effective interest rate. The syntax is ►Eff(nominal rate,compounding periods).

To access these functions, press [APPS] [ENTER] and select [B: ►Nom(] or [C:►Eff(].

Examples:

Find the nominal rate of 25 effective rate with 2 compounding periods:

1) Press [APPS] .
2) Press [ALPHA] [B].
3) Press [(]   [,]  [)].
4) Press [ENTER].

The result is 23.60679775 Find the effective rate of 8 with 12 compounding periods:

1) Press [APPS] .
2) Press [ALPHA] [C].
3) Press [(]  [,]   [)].
4) Press [ENTER].

The result is 8.299950681 Please see the TI-84 Plus C Silver Edition guidebook for additional information.