Question about Texas Instruments TI-84 Plus Calculator

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Neely Neel Neel Neelerson,

--> APPS

--> TVM

Viola. The initials TVM stand for Time-Value-Money; it's a widely used tool throughout financial mathematics. If you are looking to deal with annuities, bonds, present value equations, future value equations, or even certain stocks then you will want to use the TVM app within your TI-84.

When you go into that menu screen you will see about 10 input lines; and despite how you're being taught you'd be best off using only five (from a mathematical & conceptual standpoint). The backbone of the TVM is the time-zero equation of value. So, all you want to be touching is the N, I/Y, PV, PMT, and FV keys.

Background on TVM:

N = Number of intervals

I/Y = Effective Interest Rate Per Interval (5% is .05 but the computer wants it entered as 5.0)

PV = The Present Value

PMT = Recurring Payment (either deposit or withdrawal)

FV = Future Value

There are like 3 other inputs that I encourage you to ignore (in exchange for learning exactly what's going on within this application).

NOTE: You MUST make your effective interest term match your number of intervals. For example, an annuity with monthly payments for 5 years with a monthly effective interest rate of 2% would need an N value of 60 (which is 12 months per year times 5 years for a total of 60 months).

There's more that could be said, but I think this should help you find the PV of an annuity.

Go Bulls,

The Math Cheetah

411@themathcheetah.com

Posted on Mar 13, 2011

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Posted on Jan 02, 2017

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Not built-in (the 48 is a scientific calculator, not a financial calculator). But there are plenty of programs and applications for financial calculations. Some of them are:

http://www.hpcalc.org/details.php?id=4507

http://www.hpcalc.org/details.php?id=6317

http://www.hpcalc.org/details.php?id=5431

http://www.hpcalc.org/details.php?id=4507

http://www.hpcalc.org/details.php?id=6317

http://www.hpcalc.org/details.php?id=5431

Nov 30, 2013 | HP 48gx Calculator

Actually, you don't need the y^x key.

Clear the financial registers with 2nd [CLR TVM]

Enter the present value: 1 0 0 0 0 0 0 +/- FV

Enter the future value: 2 0 0 0 0 0 0 FV

Enter the interest rate: 7 I/Y

Compute the number of periods: CPT N

Clear the financial registers with 2nd [CLR TVM]

Enter the present value: 1 0 0 0 0 0 0 +/- FV

Enter the future value: 2 0 0 0 0 0 0 FV

Enter the interest rate: 7 I/Y

Compute the number of periods: CPT N

Mar 24, 2013 | Texas Instruments BA II PLUS Financial...

There isn't one. The TI 30 is a scientific calculator. The cash flow functions are usually limited to the financial calculators such as the TI BAII.

Mar 18, 2012 | Texas Instruments TI 30XIIS Scientific...

Sorry, but that calculator does not have a financial application.

Jan 31, 2012 | Casio Office Equipment & Supplies

If necessary, press f [FIN] to clear the financial registers.

4 0 0 0 0 PV ( enter present value )

3 . 3 i ( enter interest rate )

4 0 N ( enter number of periods)

FV ( compute future value )

4 0 0 0 0 PV ( enter present value )

3 . 3 i ( enter interest rate )

4 0 N ( enter number of periods)

FV ( compute future value )

Apr 19, 2011 | HP 12c Calculator

f xy (clear financial registers)

5 g n (5 years at 12 payments per year)

2 5 0 0 CHS PMT ($2500 payment per month)

9 i (9% annual rate)

PV (calculate present value)

5 g n (5 years at 12 payments per year)

2 5 0 0 CHS PMT ($2500 payment per month)

9 i (9% annual rate)

PV (calculate present value)

Feb 14, 2011 | HP 12c Calculator

Press the MODE button, once or twice. When calculator is in financial mode, the screen should display FIN.

Feb 11, 2011 | Texas Instruments BA II PLUS Financial...

Check the number of payments per year. With one payment per year the present value is 666,634, while with twelve payments per year the present value is 922,926.

You probably changed it while working out another problem.

You probably changed it while working out another problem.

Oct 03, 2010 | Texas Instruments BA II PLUS Financial...

The casio FX-300Ms calculator cannot do graphs. To tell you how to use a graphing calculator TO DRAW GRAPHS we need to know the exact brand and model number of the calculator.

- Most graphing calculators basically function the same way.
- You select the graph type (function, polar,parametric, sequence, 3D, wire mesh, slope field, etc.)
- You enter the algebraic form of the function you want to draw.
- You press a button or menu to GRAPH
- The graph is drawn.
- If you want to see a particular part of the graph, you use a ZOOM function, or you enter values for the WINDOW dimensions.
- Most graphing calculators have a TRACE function that allow you to follow the curve you have drawn to read off values of coordinate points.
- You can also use the calculator to find zeros roots) of functions, calculate derivatives at some chosen points or calculate the area "under the curve", find the minimum and maximum of a function.

Aug 13, 2010 | Casio FX-300MS Calculator

Hmmm, I don't think the problem is with your calculator. I'd be checking the accounting question again as I don't think you've got your annuity question structured right.

4 Year Annuity

14% Annual Interest Rate

Your contributing $4,000 per year over the next 4 years

and you already know the future value is $50,069?

You'd have to make annual payments of $11,878.93 (4 of them) at that annual interest rate to get to a future value of $50,069 (which has a present value of $43,632.24).

Are you sure that the FV isn't the trade in value at the end of the 4 years?

4 Year Annuity

14% Annual Interest Rate

Your contributing $4,000 per year over the next 4 years

and you already know the future value is $50,069?

You'd have to make annual payments of $11,878.93 (4 of them) at that annual interest rate to get to a future value of $50,069 (which has a present value of $43,632.24).

Are you sure that the FV isn't the trade in value at the end of the 4 years?

Oct 05, 2007 | Sharp SHREL738 Calculator

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