2nd mode delete ln log math data eˣ10ˣ EE !nCr nPr table clear πᵢᵉ sin sin⁻¹ cos cos⁻¹ tan tan⁻¹ ÷ x□ n/d ( ) × x² 7 8 9 − xʸᶻᵗ 4 5 6 + sto → 1 2 3 ◄►≈ on 0 . (−) enter