Ongun, Ali2022-12-282022-12-282022https://doi.org/10.31801/cfsuasmas.992524http://hdl.handle.net/20.500.12575/86567In the present paper we give quantitative type theorems for the differences of different bivariate positive linear operators by using weighted modulus of continuity. Similar estimates are obtained via K-functional and for Chebyshev functionals. Moreover, an example involving Szasz and Szasz-Kantorovich operators is given.enChebyshev functionals, bivariate positive linear operators, weighted modulus of continuityArticle7137918051303-5991