has the
formula that we will fit everything into; the one that banks use
to calculate "daily interest" in accounts: *A = P(1 +
r/n)*^{nt}^{
}
where the symbols mean

**
(This top box will more often be set to "Yield".)**

That changes to extracting %yr Rate of growth of charts, dividends or earnings.

total amount *A* (
Examples of A:

Right hand price on a chart.

Dividend now.

Earnings, Book Value or Number of shares out now.

first box; answer at bottom) is given by

your** original ***P=$10k* (
Examples: Left hand price on a chart t years wide.

Dividend, Earnings, Book Value or Number of shares out t years ago.

second box) invested at

interest rate of*r=7%/yr*(
Usually this will be chart slope and appear at the top.

The calculator can also get growth rate of interest.

Total return is growth plus yield.

third box)

**compounded** n times per year (
"Continuous" means time between calculations goes to zero.

Effectively, that eliminates the variable n completely.

fourth box)

and**sitting there** for *t years* (
In this case enter Yield you are testing.

For other examples, set the top box to "Yield", moving the other entries upward.fifth box):

That changes to extracting %yr Rate of growth of charts, dividends or earnings.

total amount

Right hand price on a chart.

Dividend now.

Earnings, Book Value or Number of shares out now.

first box; answer at bottom) is given by

your

Dividend, Earnings, Book Value or Number of shares out t years ago.

second box) invested at

interest rate of

The calculator can also get growth rate of interest.

Total return is growth plus yield.

third box)

Effectively, that eliminates the variable n completely.

fourth box)

and

For other examples, set the top box to "Yield", moving the other entries upward.fifth box):

Notice that **setting n=a zillion (continuous) eliminates it**
and changes the formula to *A = Pe** ^{rt}*.
This formula is used by banks to calculate interest.

To do that it has to be changed to r=Ln(A/P)/t.

Notice that

That happens to be the formula for the

A "log plot" makes it into a straight line by compressing the upper part of the Y-axis.