Aydin, TAAyazoglu, RKocayigit, H2025-04-102025-04-101225-293Xhttp://hdl.handle.net/20.500.14701/36944In this paper, we define timelike curves in R-2(4) and characterize such curves in terms of Frenet frame. Also, we examine the timelike helices of R-2(4), taking into account their curvatures. In addition, we study timelike slant helices, timelike B-1-slant helices, timelike B-2-slant helices in four dimensional semi-Euclidean space, R-2(4). And then we obtain an approximate solution for the timelike B-1 slant helix with Taylor matrix collocation method.EnglishArticle2288-6176