Help needed working out formula from data table

Hi,

I'd be grateful if anyone is able to point me in the right direction or help me work out a formula based on a data table and it's inputs please.

There are only two inputs to generate the numbers, and the inputs and results are shown in the table below:

........8%.....9%...10%

5.0% 0.429 0.347 0.287

7.5% 0.890 0.720 0.596

10.0% 1.494 1.209 1.000

12.5% 2.233 1.806 1.494

15.0% 3.100 2.508 2.075

17.5% 4.092 3.310 2.738

20.0% 5.203 4.209 3.482

Sorry I haven't been able to create a table here, so have formatted it as best I can. Please let me know if I can provide any more information to assist with this.

Many thanks!

1 Attachment(s)

Some more info to help work out variables

Hi,

Im a friend of ghelliwell's (who posted the orginal post).

The table is based on a formula in Richard Simmons' book "Buffett step-by-step. an Investor's workbook. Unfortunately we haven't been able to lay our hands on the book to see what the formula is.

I've attached a screen pic of part of the table, if that helps.

Attachment 18598

cheers

Simple explanation of 2 variable quadratic equation

Hi,

Doesn't look like anyone has noticed my previous post. Can someone please explain what a 2 variable quadratic equation is? I need to find the formula for a curve.

I have the following x, y co-ordinates

x y

5 0.429

7.5 0.890

10 1.494

12.5 2.233

15 3.1

17.5 4.092

20 5.203

Cheers