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Compounding Calculator

A calculator to visualize and understand the power of compounding and compound interest.
Compound interest is the 8th wonder of the world. He who understands it, earns it; he who doesn’t, pays it.
-- Albert Einstein

Here’s a simple calculator to better understand compounding. The doc has:
A
where you can adjust inputs
A
that’s shows you growth over time
A
that contains one row for each time period. The chart is a just different way to view data in this table.

Use the calculator by:
Tweaking four values in the
Value
column to change formula inputs.
Clicking on the two buttons.
Clear Schedule
to clear the table and
Generate Schedule
to generate the compounding chart.

The calculator demonstrates the growth of
100$
compounding at the rate of
8%, 1 time
per year, over a time period of
40 years.

compound_interest.png

Name
Value
Comments
Label
1
Starting Amount
100
P
2
Compounding Rate
0.08
0.08 for a compounding rate of 8%
r
3
Compounding times Per
Time Period
1
Usually 1. The number of times growth rate is applied per time period.
n
4
Time Periods
40
t
There are no rows in this table

Clear Schedule
Generate Schedule

Compounding Schedule
1
Created with Highcharts 9.2.1PeriodValue at End of Period1357911131517192123252729313335373905001000150020002500

Compounding Table
1

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