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09 May 2008, 16:32
Kudos
Bookmarks
Platinum edition 12c (which allows you to enter in stuff in algebraic mode rather than reverse polish notation) and a TI-85.
The TI-85 is great for long chain calculations like 1000*(1.2)*(1.16)*(1.08)*(.97) etc... to make sure you didnt miss something - and nothing beats hitting "N=12, PMT = 800, I = 10, PV" to solve a problem that would otherwise require a lot more time and effort.
The TI-85 is great for long chain calculations like 1000*(1.2)*(1.16)*(1.08)*(.97) etc... to make sure you didnt miss something - and nothing beats hitting "N=12, PMT = 800, I = 10, PV" to solve a problem that would otherwise require a lot more time and effort.
09 May 2008, 17:05
Kudos
Bookmarks
Quote:
Try this on the 12c:
N = 360
I = 1
PMT = 2500
then hit PV
should give you $-243,045
Note however that I think there's more to the problem than that. Caveat: I'm hungover so I might be wrong... but the above will give you the PV of those streams at age 60 - you want the PV of that today. So now take that $243,045 (assuming thats right)
and do:
FV = 243,045
N = 420 (60-25 * 12)
I = 1
PMT = ?
Which gives you $37.79
Alternatively you can figure the PV of $243 and redo it - which gives you $3,721 i think -- so you can also solve it by doing:
FV = 243,045
N = 420
I = 1
PV = ?
then ...
PV = 3721 (from above)
N = 420
I = 1
PMT = ?
And you should get $37.78 i think.
