Gençtürk, İ.2025-01-212025-01-2120242219-5688https://hdl.handle.net/20.500.12587/23682In this paper, we introduce a new type of two-parameter power-calculus. The differentiation and inverse of differentiation in this calculus are investigated and various properties of these concepts are given. The fundamental theorem and formulas of integration by part regarding this calculus are also presented. © Palestine Polytechnic University-PPU 2024.eninfo:eu-repo/semantics/closedAccess^p,q-derivative; ^p,q-integration; fundamental theorem; integration by partArticle1331942072-s2.0-85207680676Q4