Scientific Calculator MC MR M+ M- MS Trigonometry sin cos tan Function |x| ⌊x⌋ ⌈x⌉ 2nd π e C ⌫ x² 1/x |x| exp mod √x ( ) n! / 7 8 9 × - 4 5 6 xʸ + 1 2 3 10ˣ log ± 0 . ln =