The proceedings contain 128 papers The topics discussed include: effect of different solvents on the phytochemical compounds of Sargassum sp From Yogyakarta and East Nusa Tenggara;radical catcher activities free of methanol fruit leather and pomegranate seeds (punica granatum L);The profile of delay erasure time and imaging plate sizes to dark noise evaluation in carestream computed radiography system;development of macromedia flash-based mathematics learning for elementary school students;augmented reality application: what are the constraints and perceptions of the students during the COVID 19 pandemic’s 3D geometry learning process?;fountains height measurement accuracy with mamdani fuzzy inference system algorithm;employee performance analysis using analytical hierarchy process and weighted product combinations algorithm;application of data mining techniques using the K-means method on unmet need of health services by province in Indonesia;and application of the simple multi attribute rating technique (SMART) method in the selection of thrush medicine products based on consumers
Annual Conference on Science and Technology Research, ACOSTER 2020