Following some recent comments Graeme Dennes has released the latest version the Tanh-Sinh Quadrature spreadsheet with some corrections to the test function documentation.
The new file is located (as before) at:
For more information on the last major release see Numerical Integration With Tanh-Sinh Quadrature v 5.0. For more background information and numerous examples search this site for Tanh-Sinh, or select Numerical Integration from the categories drop down.
As always, if you have any questions or comments, please leave a comment below.