News:

1. For sales and technical support of the Res2dinv/Res3dinv software please contact Aarhus Geosoftware (Denmark). Email sales@aarhusgeosoftware.dk or support@aarhusgeosoftware.dk.
2. Papers by M.H.Loke in Downloads page.
3. The latest version of the Keylok dongle driver for Windows 10, Windows 11 and beyond can be downloaded from the www.keylok.com website.
4. New version of Tutorial Notes uploaded. 8th November 2025 update. Appendix M on the L-curve method, and Appendix N on VOI calculations for I.P. models.
5. GeoRES3Dx64 ver. 4.3.1, 1st October 2025 update for research partners. Option for VTK inverse model output added.