“…Apart from calculus, there are 9 other materials, namely statistics at university, junior high school, then there is calculus 2, sets, SPLDV, geometry, trigonometry and number theory as well as real analysis. One of the studies related to this field that teaches calculus material includes (Abdullah et al, 2020;Firdaus et al, 2021;Susilo et al, 2021). Research (Abdullah et al, 2020) is a quasi-experimental research with the aim of developing students' mathematical thinking abilities in calculus subjects where students develop mathematical concepts from their own experiences, data obtained from Student Worksheets, observation of student activity sheets in discussing solving problems , and draw conclusions through a critical thinking process.…”