Hp 12c Simple PV
10-29-2014, 07:00 PM (This post was last modified: 10-29-2014 07:01 PM by Ramused.)
Post: #1
 Ramused Junior Member Posts: 3 Joined: Oct 2014
Hp 12c Simple PV
Hey guys i have been trying to calculate a simple PV and it just doesn't work ! i found this post here but for some reason my results are different, ay idea ?

FV=1.500
N=1.5
i=6%
pv= ? should be 1,376.15 But im getting 1,373.88

Thanks =D
10-29-2014, 07:48 PM
Post: #2
 Gene Moderator Posts: 1,242 Joined: Dec 2013
RE: Hp 12c Simple PV
Define "should be" :-)

Excel gives $1,374.46 to =PV(0.06,1.5,0,1500) That's what the 10bII+, 17bII+, and the 12c in "C" mode (press STO EEX and solve this on the 12c). So, I'm guessing this must be a TI model that has defined "should be" ? Again :-) Partial periods require more information in order to solve them. Can you get Excel to give the 1376.15? If so, by what formula ? That will help us know how to help. All questions are good, hence the smileys here. 10-29-2014, 11:04 PM Post: #3  Ramused Junior Member Posts: 3 Joined: Oct 2014 RE: Hp 12c Simple PV (10-29-2014 07:48 PM)Gene Wrote: Define "should be" :-) Excel gives$1,374.46 to =PV(0.06,1.5,0,1500)

That's what the 10bII+, 17bII+, and the 12c in "C" mode (press STO EEX and solve this on the 12c).

So, I'm guessing this must be a TI model that has defined "should be" ? Again :-)

Partial periods require more information in order to solve them. Can you get Excel to give the 1376.15? If so, by what formula ?

That will help us know how to help. All questions are good, hence the smileys here.

Using the Formula P=s/(1+rt)

So, P=1500/(1+(0.06*1.5))
P=1,376.15

And also if you checked up the link for the other Post, they say how to do it, but i still got different numbers, even doing the same steps

Franz, i need to do that on my calculator =/
10-30-2014, 02:47 AM
Post: #4
 Gene Moderator Posts: 1,242 Joined: Dec 2013
RE: Hp 12c Simple PV
aha. That's simple interest.

The financial calculators use compound interest for n > 1.

For example, using P = S / ( 1 + r x t ) for t = 5 years, you would have P = 1500 / ( 1 + 0.06 x 5 ) or 1153.85.

I am not aware of any financial calculator that handles simple interest built-in for situations where n or t in this case is > 1.

Sorry! You'll have to do it by hand or write a short program.

Store S in 00, Store r in 01, Store t in 02 and then as a program:

RCL 01 RCL 02 x 1 + RCL 00 X<>Y / GTO 00

would solve the present value in a simple interest circumstance.
10-30-2014, 09:31 AM
Post: #5
 Thomas Ritschel Member Posts: 66 Joined: Feb 2014
RE: Hp 12c Simple PV
(10-30-2014 02:47 AM)Gene Wrote:  aha. That's simple interest.

For simple interest you could just use the following:

n = 1
i = 9 (= 6*1.5)
FV = 1500

Pressing PV should yield the requested -1376.15.
10-30-2014, 12:55 PM
Post: #6
 Ramused Junior Member Posts: 3 Joined: Oct 2014
RE: Hp 12c Simple PV
(10-30-2014 09:31 AM)Thomas Ritschel Wrote:
(10-30-2014 02:47 AM)Gene Wrote:  aha. That's simple interest.

For simple interest you could just use the following:

n = 1
i = 9 (= 6*1.5)
FV = 1500

Pressing PV should yield the requested -1376.15.
For some reason it worked this time! I was trying to follow the link that i posted but i wasnt getting the same results(

And i would guess that there is no way to calculate simple n and i , right ?!

Thanks a lot for the help guys! D
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