AC DEL M+ M- MR MC % / sin cos tan π x² √x ^ ( sin⁻¹ cos⁻¹ tan⁻¹ e log ln exp ) 10ˣ x! mod EE 7 8 9 × Rand Deg Rad Hyp 4 5 6 - Ans DRG▾ (-) 1/x 1 2 3 + RCL xʸ 2nd 0 . =