Ethnomathematics batik design Bali island

Abstract

Abstract Aims of this study is to make an application to detect Balinese batik that has an etnomatematics elements using backpropagation method and to observe etnomatematics elements on Balinese batik. This study using qualitative descriptive methods with ethnographical approach, literature study, and expert study on etnomatematics issues. This paper shows that in typical Balinese batik there are several elements in the transformation of mathematics that are translation, reflection, rotation, while in other batik shows dilation elements In addition from the ethnography there are elements of spiritual and distinctiveness of the Balinese society that upholds local culture values.