----- Original Message -----
>From: Royi Avital
>Date: 2017/2/13, Mon 19:56
>Subject: Octave for Windows - OpenBLAS and Portable Mode
>I downloaded the official Octave 4.2 for Windows.
>I used the ZIP Package (Not the installer).
>I have 2 questions:
> 1. Does Octave Windows in general and the ZIP version specifically use OpenBLAS for BLAS and LAPACK?
>When I use `version -blas` I don't get any information.
> 2. How can I make it fully portable?
>Namely make Octave keep all the UI settings in the folder it was unzipped into instead the User Folder.
I can answer for only 1.
In bin folder, there are libblas.dll, libopenblas.dll, and librefblas.dll.
1. Rename libblas.dll to other name.
2. Copy libopenblas.dll and paste it in bin folder and then rename it as libblas.dll.
If you want use reference blas, do the above for librefblas.dll.