By Charles Flock on
7/14/2009 6:43 PM
If you use the EXCEL ODDFPRICE to calculate the price of a bond with an odd first coupon period, you should read this article to find out when those calculations are incorrect. Specifically, by using the EXCEL PRICE function you will discover the following three problems with the ODDFPRICE function...
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By Charles Flock on
6/30/2009 6:08 PM
A brief explanation on why the XLeratorDB implementation of this function is different than the EXCEL implementation.
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By Charles Flock on
5/20/2009 8:51 PM
In this blog I will demonstrate how to build a simple Black-Scholes options calculator by creating a table-valued function and using the XLeratorDB/statistics functions module.
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By Charles Flock on
5/8/2009 11:55 AM
Some notes on the release of the strings package and how it works in relation to EXCEL and to some existing built-in SQL functions.
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By Charles Flock on
4/8/2009 7:07 PM
Using the XLeratorDB/statistics module to calculate some baseball statistics
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By Charles Flock on
4/3/2009 5:28 PM
Some notes on the release of the engineering package and how it works in relation to EXCEL.
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By Charles Flock on
3/12/2009 7:19 PM
A brief discussion about the advantages of XLeratorDB over the combination of EXCEL and SQL Server, or, as we like to put it, a proof of the equation:
XLeratorDB > SQL Server + Excel
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By Charles Flock on
3/2/2009 2:16 PM
Some notes on the release of the statistics package and how it works in relation to EXCEL and in relation to existing SQL Server functions with the same or similar names.
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By Charles Flock on
2/24/2009 7:41 PM
One of the big problems that you may have in moving from the spreadsheet paradigm to the database paradigm is in ‘normalizing’ your data. In this article, I will attempt to explain what that means.
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By Charles Flock on
1/11/2009 4:39 PM
Build your own mortgage calculator using XLeratorDB/financial.
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By Charles Flock on
12/27/2008 5:35 PM
An introduction to the latest function package for SQL Server - Unit Conversions.
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By Charles Flock on
12/21/2008 2:31 PM
A graphical representation of the XNPV function mentioned in last week's blog. This illustrates the polynomial nature of the XNPV function illustrating why there can be more than one correct answer for XIRR.
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By Charles Flock on
12/15/2008 10:19 AM
Insight into the XIRR and XNPV functions as implemented in Microsoft Excel and in WestClinTech's XLeratorDB/financial.
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By Charles Flock on
11/21/2008 6:44 PM
What are the chances that any two people in the room have the same birthday?
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By Charles Flock on
11/18/2008 7:33 PM
Duration is one of those ubiquitous financial terms that is well defined but not well understood.
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By Charles Flock on
11/6/2008 11:02 PM
When you win the lottery, should you take the lump sum distribution or the annuity?
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By Charles Flock on
11/6/2008 10:58 PM
When we say that a bond has an odd last coupon, what do we mean?
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By Charles Flock on
10/31/2008 7:00 PM
We found something interesting while testing our ODDLYIELD function
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By Charles Flock on
10/22/2008 7:00 PM
Differences between the COUPDAYS calculation when the basis is 0 and DAYS360 function and why February is really the cruelest month.
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By Charles Flock on
10/6/2008 10:36 AM
A brief journey into the world of significance and precision in T-SQL.
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By Charles Flock on
10/1/2008 5:08 PM
The mechanics of bond pricing.
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