version 13.0 alpha July 2023 this version has all the bug fixes since 2021 and is probably more stable than version 12.0, particularly with respect to the problems in connection with the Nordic 2 format. In addition there are several new programs. However, the manual needs a bit more fixing. linux.tar.gz uncompiled linux, version 13.01 Seisan13.0.0.exe windows install file seisan.pdf latest manual version 13.0 seisei.for can write small numbers in seisan format seisei.exe -----------------------, windows se.exe new version with localization bug fixed jh nov 03, 2023