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7 8 9 ÷ × 4 5 6 - + 1 2 3 ( ) 0 . EXP ± RND sin cos tan sin⁻¹ cos⁻¹ tan⁻¹ π e x^y x³ x² e^x 10^x y√x ³√x √x ln log 1/x % n! M+ M- MR Ans Back AC = MC