Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator
IRR on the TI-83 only supports one initial investment, so the argument can only be:
IRR( Initial Outlay, {Cash Flows}, {Cash Flow Counts})
It might be that you could enter an Initial Outlay of -98000 and then have the other -98000 as the first Cash Flow. Then the Cash Flow Counts would be 1,33.
Posted on Feb 05, 2010
If using the negative sign in the Cash Flow on the second -98000 won't work (I don't have a TI-83 here to test it), you would just combine the two 98000's together and make it -196000. There are some other ways to go after the IRR with the two investments also. You might use NPV and back into the IRR by going through some iterations.
If the negative won't work on the Cash Flow, then you just have to use the syntax as written:
IRR(Initial Outlay, {Cash Flows}, {Cash Flow Counts})
So for yours:
IRR(-196000, {30000}, {33})
If you want to model the two investments you'd need to use a more complicated tool than the TI. Computer spreadsheet would work best.
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Perform soft reset operation first.
Remove all four (4) “AAA” batteries.
Press and hold the [ON] key for 30 seconds.
Then put the batteries back into the graphing calculator and turn on.
The screen’s contrast may also need to be re-adjusted.
also, please refer to THIS and THIS.
Regards
Posted on Feb 05, 2010
Ok, go HERE go to troubleshooting (F) check the "resolving the DIM MISMATCH ERROR"
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Posted on Jan 02, 2017
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Not the answer - does not work, get error message DIM MISMATCH - meaning the number of elements do not match. So number of years do not match the one 300000 outflow. Try again!
You are absolutely correct in that the TI does not allow for two sets of cash outflows and the best solution is to use an excell spreadsheet for IRR - which I decided to to. Thanks
You cannot use two different cash outflows in computing IRR on the TI84. The easiest solution is to use an Excel spreadsheet for computing IRR with two or more variable outputs. Thanks!
You cannot use two different cash outflows in computing IRR on the TI84. The easiest solution is to use an Excel spreadsheet for computing IRR with two or more variable outputs. Thanks!
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