During the time of the COVID-19 pandemic, online teaching was implemented by teachers in almost all education areas, and various technological tools were also employed to improve teachers' online teaching effectiveness. Based on this, the current qualitative case study aims to explore chemistry teachers' experience during online teaching in…

Sketching the graph of mathematical functions using derivatives is a challenging task for undergraduate students who enrol for the first level of calculus course. Before graph plotting, students are required to perform a thorough function analysis using the concepts learned in differentiation. They are then expected to solicit the results obtained…