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> Number of periods (given future value of a present sum,interest rate and present value)
Number of periods (given future value of a present sum,interest rate and present value)
Formula
n
number of periods
PV
present value
FV
future value
i
interest rate
Formula description
Future value is the value of an asset or cash at a specified date in the future that is equivalent in value to a specified sum today.
Calculator (
how to use calculator?
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PV
FV
i
%, percent,parts per hundred
decimal
‰, per mil,parts per thousand,per mille,permil,permille,per mill,promille
permyriad,basis point,bp,percentage in point,pip,parts per ten thousand,one-hundredth percent
parts per million,ppm
parts per billion,ppb
parts per trillion,ppt
parts per quadrillion,ppq
n
Precision
0
1
2
3
4
5
6
7
8
9
Formula code
C
C#
C++
Java
JavaScript
LaTeX
PHP
#include
n = log(FV/PV)/log(1+i)
n =Math.Log(FV/PV,(1+i))
#include
n = log(FV/PV)/log(1+i)
n = Math.log(FV/PV)/Math.log(1+i)
n = Math.log(FV/PV)/Math.log(1+i)
n = \log_{(1+i)} \left(\frac{\mbox{FV}}{\mbox{PV}}\right)
$n = log($FV/$PV)/ log(1+$i)
References
Wikepedia:Future value of a present sum.
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