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Demi
 
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Default reverse principle calculation

Is there a way to enter a formula to calculate what the original
principle amount is if I know the other variables?

Date Invoice 1/1/04
Date of Period 1/1/05 '366 days
Interest Rate 18%/Year

1/1/05 balance of Principle +Interest 1000.00

What is the original principle and formula to calculate????

-Demi

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Duke Carey
 
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Default reverse principle calculation

It depends on how the interest is calculated. If it is simple interest, then
it is

=1000/(1+.18) (assumes one year)

If the interest compounds (assume monthly here), then you use

=1000/( (1+i/12)^12 )



"Demi" wrote:

Is there a way to enter a formula to calculate what the original
principle amount is if I know the other variables?

Date Invoice 1/1/04
Date of Period 1/1/05 '366 days
Interest Rate 18%/Year

1/1/05 balance of Principle +Interest 1000.00

What is the original principle and formula to calculate????

-Demi


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Peo Sjoblom
 
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Default reverse principle calculation

Another way

=PV(18%,1,,-1000)

for simple interest

and

=PV(18%/12,12,,-1000)

for compounded monthly


--

Regards,

Peo Sjoblom

http://nwexcelsolutions.com


"Duke Carey" wrote in message
...
It depends on how the interest is calculated. If it is simple interest,
then
it is

=1000/(1+.18) (assumes one year)

If the interest compounds (assume monthly here), then you use

=1000/( (1+i/12)^12 )



"Demi" wrote:

Is there a way to enter a formula to calculate what the original
principle amount is if I know the other variables?

Date Invoice 1/1/04
Date of Period 1/1/05 '366 days
Interest Rate 18%/Year

1/1/05 balance of Principle +Interest 1000.00

What is the original principle and formula to calculate????

-Demi




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Demi
 
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Default reverse principle calculation

Thank you the PV formula worked like a champ, since it was simple
interest compounded monthly I was able to use this to calculate the
first date- lastdate etc. thanks

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