“…I have published alone or with co-authors several works (Sikora, 2016; Sikora, 2017; Sikora and Pawłowski, 2018c; Sikora, 2017b, 2018; Sikora and Pawłowski, 2018a; Sikora and Pawłowski, 2018b; Sikora et al , 2018), having the subject related to the use of fractional derivatives in electrical engineering. In my opinion, misuse of fractional derivatives causes damage in two ways, material and mental.…”