Casio fx-CG20 SI = –SI, SFV = –(PV + SI'), 2.Simple Interest, uFormula, i, i, SI, SI, SFV, SFV, ⋅ PV ⋅, ⋅ PV ⋅, SFV, Financial, Financial

•Pressing !1(TRACE) while a graph is on the display activates Trace, which can be used to look up other financial values. In the case of simple interest, for example, pressing e displays PV, SI, and SFV. Pressing d displays the same values in reverse sequence.

•While the graph screen is displayed, you can press !f(FORMAT) and then use the dialog box that appears to change the graph color. The color specification you make on this dialog box is also reflected by the “Graph Color” setting of the Setup screen.

•Zoom, Scroll, and Sketch cannot be used in the Financial mode.

•Whether you should use a positive or a negative value for the present value (PV) or the purchase price (PRC) depends on the type of calculation you are trying to perform.

•Note that graphs should be used only for reference purposes when viewing Financial mode calculation results.

2.Simple Interest

This calculator uses the following formulas to calculate simple interest.

uFormula

365-day Mode	SI' =		n	⋅ PV ⋅ i	i =		I%	SI	: interest
			365				100
			n	⋅ PV ⋅ i			I%	n	: number of interest periods
360-day Mode	SI' =				i =			PV	: principal
		360				100
								I% : annual interest
	SI = –SI'							SFV : principal plus interest
	SFV = –(PV + SI')

Press 1(SIMPLE) from the Financial 1 screen to display the following input screen for simple interest.

1(SIMPLE)

n........... number of interest periods (days)

I% ........ annual interest rate

PV ........ principal

After configuring the parameters, use one of the function menus noted below to perform the corresponding calculation.

•{SI} … {simple interest}

•{SFV} … {simple future value}

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