Logo Help center
Sign in
English (US) Español
  • Home
  • Community
  • Submit a request
sidebar image
  1. Help center
  2. Frequently Asked Questions - FAQ
  3. Functions

Functions

Follow New articles New articles and comments
  • How to identify the Nyquist frequency with DFT
  • How do I know when cointegration exists in my results?
  • EWMA (Exponential Weighted Volatility) FAQ
  • How do I interpret the calculated EWMA values?
  • Largest data set for DFT and IDFT?
  • Q: GARCH_CHECK returns true even when the sum of alpha and beta equals to one?
  • Where is X-12-ARIMA?
  • Can I compute the logarithmic return from a time series without any intermediate calculations?
  • How can I compute the expiry date of an equity option?
  • How can I use NumXL to compute the correlation matrix for 2 time series?
  • How do I test whether a given time series is just noise?
  • How do I use differencing to obtain a stationary time series?
  • How do I use NumXL functions in my Excel sheet?
  • ARMA Phi and Theta initial-values are zeros
  • Calibration error - solver not found
  • Why does the calibration function in NumXL shows the constraint's rhs of 0.9999?
  • Can I use NumXL function with VBA or in an Excel macro?
  • How do I compute the current volatility?
  • NumXL is not loading in Excel 2001-2003.
  • Run-time error 5, invalid procedure call or argument?
© Help center
  • About us
  • Download
  • Buy
  • Contact us