Preface

XIII International Conference on Mathematics, Science and Technology Education A E Kiv1, V N Soloviev2, S O Semerikov2,3,4,5, A M Striuk3, V V Osadchyi6, T A Vakaliuk7,4, P P Nechypurenko2, O V Bondarenko2, I S Mintii2,4 and S L Malchenko2,8 1 Ben-Gurion University of the Negev, P.O.B. 653, Beer Sheva, 8410501, Israel 2 Kryvyi Rih State Pedagogical University, 54 Gagarin Ave., Kryvyi Rih, 50086, Ukraine 3 Kryvyi Rih National University, 11 Vitalii Matusevych Str., Kryvyi Rih, 50027, Ukraine 4 Institute of Information Technologies and Learning Tools of the NAES of Ukraine, 9 M. Berlynskoho Str., Kyiv, 04060, Ukraine 5 University of Educational Management, 52-A Sichovykh Striltsiv Str., Kyiv, 04053, Ukraine 6 Bogdan Khmelnitsky Melitopol State Pedagogical University, 20 Hetmanska Str., Melitopol, 72300, Ukraine 7 Zhytomyr Polytechnic State University, 103 Chudnivska Str., Zhytomyr, 10005, Ukraine 8 National Pedagogical Dragomanov University, 9 Pyrohova Str., Kyiv, 01601, Ukraine E-mail: kiv.arnold20@gmail.com, vnsoloviev2016@gmail.com, semerikov@gmail.com, andrey.n.stryuk@gmail.com, poliform55@gmail.com, tetianavakaliuk@gmail.com, acinonyxleo@gmail.com, bondarenko.olga@kdpu.edu.ua, irina.mintiy@kdpu.edu.ua, malchenko.svitlana@kdpu.edu.ua This paper represents a preface to the Proceedings of the XIII International Conference on Mathematics, Science and Technology Education (ICon-MaSTEd 2021) held at the Kryvyi Rih State Pedagogical University, Ukraine, 12{14 May 2021. Background information and the organizational structure of the meeting, paper overview and acknowledgments of the contributions of the many people who made the conference a success are presented.