Hello. in the project for chapter https://gambas-buch.de/doku.php?id=k29:k29.3:k29.3.5:start (vectors) there is also the calculation of the angle between two vectors. With kind regards Hans -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.gambas-basic.org/pipermail/user/attachments/20230605/2b2cfc9f/attachment.htm>