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Future value 145000 x 5% growth for 5 years

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Posted on Aug 09, 2009

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How do I enter exponential growth or decay functions and their shifts?


The formula for exponential growth and exponential decay is

A =I (1 + r)^n, where A is the amount, I is the initial amount, r is the rate of exponential growth or decay and n is the number of periods.

For example, if we start with 100 units and the growth is 5% per period, we get the equation A = 100 (1+0.5) ^n. When n is 0, anything to the exponent 0 is 1, so we start with 100 units. When n is 1, we get 105 units.

Similarly, if a car costing $50,000 depreciates in value 30% per year, we have A= 50000 (1-0.3)^n, Again, when n = 0, anything to the power of 0 is 1, so we start at $50,000. When n=1, A = 35,000. When n = 2, A = $24,500.

Good luck,

Paul

Nov 05, 2015 | Texas Instruments Ti-30Xs Multiview...

1 Answer

The initial population of a town is 2800, and it grows with a doubling time of 10 years. Whay wi the population be in 12 years


The population doubles in ten years so the annual growth is the tenth root of two. The growth in twelve years is the annual growth rate raised to the twelfth power.

The tenth root of two is about 1.0718 . That value raised to the twelfth power is about 2.2974 . Multiplied by the initial population of 2800 gives 6433.

On the TI-30XA press 2 2nd [xth-root] 1 0 = y^x 1 2 * 2 8 0 0 =

Nov 05, 2012 | Texas Instruments TI-30XA Calculator

1 Answer

Future value


When you buy it is worth $60, 000
I will assume that at the end of a year it is the whole new value of the house that is increased by 5%.
After 1 year value=60,000*(1+0.05)^1
After 2 years value=$60,000(1+0.05)*(1+0.05)=60,000*(1.05)^2
Do you see the pattern?
After 7 years, the value of the house will be 60,000*(1.05)^7

However if the increase is not compounded
Then after 1 year value=60,000*(1+0.05)
After 2 years, value=60,000*(1+0.05+0.05)=60,000*(1+2*0.05)
After 7 years, value=60,000*(1+7*0.05)

Depending on the coumpounding or not the two values will be different
With compounding: final value=$84,426.02
Without compunding: final value is $81, 000.

I showed you the possible mathematical solutions. It is now up to you to decide which is the one that applies to your case.

Jan 28, 2012 | HP 10bII Calculator

1 Answer

I would like some help in solving some TVM problems using the BA II Plus calculator. i.e. How to solve: I invested a lump sum of $2400 in an investment that returns 6% annually. How much will the...


2nd [CLR TVM] (clear TVM registers)

2 4 0 0 +/- PV ($2400 initial investment, negative because you're paying it out)

6 I/Y (6% annual interest)

1 N (one year)

CPT FV (compute future value, see 2544.00, the value after one year)

5 N (five years)

CPT FV (see 3211.74, the value after five years)

1 0 N (ten years)

CPT FV (see 4298.03, the value after ten years)

Feb 19, 2011 | Texas Instruments BA II PLUS Financial...

1 Answer

Hi: I bought a HP 10bii Financial Calculator. I find it difficult to get a correct answer... For an easy example, I try to find the future value of $100 today after 3 years with an annual interest rate...


What you've done is calculate the future value after 3 months, not 3 years.

Press 1 SHIFT [P/YR] to set the payments per year to one. Now the FV key should give you 115.76

Feb 15, 2011 | HP 10bII Calculator

1 Answer

What buttons do I push in what order to figure compound interset. if I start with$15,000.00 at 6% interset for 25 years. I am on a texas instrument ba 2 plus


If the interest is compounded monthly:

2nd [CLR TVM] (clear any existing results)
1 5 0 0 0 _/- PV (present value, negative because you're paying it out)
6 I/Y (annual interest rate)
25 2nd [*P/Y] N (25 years)
CPT FV (compute future value, see 66,974.55)

If the interest is compounded annually:

2nd [CLR TVM] (clear any existing results)
1 5 0 0 0 _/- PV (present value, negative because you're paying it out)
6 I/Y (annual interest rate)
2nd [P/Y] 1 ENTER 2nd [QUIT] (one compounding period per year)
25 N (25 years)
CPT FV (compute future value, see 64,378.96)

Oct 26, 2010 | Texas Instruments BA-II Plus Calculator

1 Answer

You save R20000.00 to invest for 5years. Interest is currently 10.5% and is to be calculated monthly. What is the future value of the investment?


2 0 0 0 0 +/- PV (present value, negative because you're paying it out)
5 *P/YR (5 years)
1 0 . 5 I/YR (interest rate)
FV (calculate future value, about 33,732)

Aug 09, 2010 | HP 10bII Calculator

1 Answer

Future &present value


That depends on the interest rate.

2nd [CLR TVM] (clear previous data)
5 0 0 0 PMT (monthly payment)
2 0 2nd [*P/Y] N (20 years of monthly payments)
annual interest rate I/Y (annual interest rate)
CPT PV (compute present value)

At 10% it's about $518,000

May 26, 2010 | Texas Instruments BA-II Plus Calculator

1 Answer

Present value of a loan


The present value of any future monthly (?) stream of payments stretching some 24 years into the future takes into account the time value of money and depends on the interest rate assumed to apply for each month throughout those 24 years.

There are formulae to calc this for an equal monthly payment and a constant interest rate, over the term but for a variable interest rate you need a spreadsheet.

In the simple case of zero interest assumed throughout the term, present value = current principal balance, but for any positive interest rate, the total present value of the future payment stream is less than the current principal balance.

Oct 06, 2008 | Texas Instruments TI-30XA Calculator

4 Answers

Calculate future population


The formula for population growth is:
population * (annual growth rate ^ number of years)

In your example,
6000000000 * (1.01^24) = 7618407891

To get your calculator to perfom the calculation, enter it in the following steps:
Type 6000000000
Press the multiply key
Press the ( key
Type 1.01
Press the yx key (located right above the divide key)
Type 24
Press the ) key
Press the = key

You can reuse this formula, substituting any values you wish for the current population, growth rate, and number of years.

Regards,
Javabytes

Oct 29, 2007 | Texas Instruments TI-30XA Calculator

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