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06/17/2013
Latest version of TraderCode(v5.6) includes new Technical Analysis indicators, Point-and-Figure Charting and Strategy Backtesting.



06/17/2013
Latest version of NeuralCode(v1.3) for
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06/17/2013
ConnectCode Barcode Font Pack - enables barcodes in office applications and includes an add-in for Excel that supports mass generation of barcodes.



06/17/2013
InvestmentCode, a comprehensive suite of
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09/01/2009
Launch of
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02/1/2008
Release of
SparkCode Professional - add-in for creating Dashboards in Excel with sparklines



12/15/2007
Announcing
ConnectCode Duplicate Remover - a powerful add-in for finding and removing duplicates entries in Excel



09/08/2007
Launch of
TinyGraphs - open source add-in for creating sparklines and tiny charts in Excel.


Present Value of a Perpetuity

A Perpetuity is a series of indefinite cash flows. It can thus be considered as a special case of an Annuity where the annuity extends indefinitely. Basically, we can use the Present Value of an Annuity formula to derive the Present Value of a Perpetuity. Just imagine that the value of n (period) in the Present Value of an Annuity formula becomes infinitely large, the value of (1/((1+r)^n)) will tend towards 0, leading to the simplification of the formula.

Formula of Present Value of a Perpetuity

PV = A / r

  • PV is Present Value
  • r is the interest rate
  • A is the Annuity amount
You may want to bring up the Present Value.xls spreadsheet and refer to the Worksheet Present Value (Perpetuity).

Next :
Present Value of a series of unequal cash flow

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