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NumXL - Frequently Asked Questions
This collection of frequently asked questions (FAQ) provides brief answers to many common questions about NumXL Add-in. Please check here for answers before posting a question to one of the forums or before sending email to the support e-mail addresses.
General
- Where can I purchase NumXL?
- Which versions of Excel are compatible with Spider Add-ins?
- Who uses NumXL?
- I'm having trouble installing one of Spider products (e.g. NumXL). Where can I get support?
- What are the functions currently supported in NumXL?
- How often does Spider Financial release new versions of NumXL?
- Why is feature X missing from NumXL? It would be a very useful one.
- What do I need to know to use NumXL?
Installation
- How can I manually load or unload add-in program in Excel?
- How do I install NumXL on my new computer? Do I have to buy NumXL again?
- Can I use the same license key on more than one machine?
- Invalid license key or activation code?
- What is license key activation?
- Where can I find NumXL after installation?
- I have just installed the add-in, but a security warning appears in the toolbar now.
- NumXL is not loading in Excel 2007?
- NumXL is no longer loading in Excel.
- NumXL is not loading in Excel 2001-2003.
- How do I uninstall NumXL?
- How do I install NumXL?
Using NumXL
- How many observations you recommend to use with a the model: 1000? 1200? 2000? other?
- How do I compute the current volatility?
- How can I place the returned array from Function XYZ in one row?
- Function XYZ is an array function? what does that mean?
- I am trying to use an EWMA function, but it returns #N/A value, why?
- How can I use NumXL to compute the correlation matrix for 2 time series?
- Can I use NumXL in Visual Basic, or as a macro?
- How do I use differencing to obtain a stationary time series?
- Is there a way to generate the model's coefficients in Excel?
- How do I test whether a given time series is just noise?
- Can I compute the logarithmic return from a time series without any intermediate calculations?
- How do I use NumXL functions in my Excel sheet?
- How compatible is NumXL with Microsoft Excel?