WEB數學表達式:. 2/3+3*(10-4), (1+x)/y^2, 2^0.5 (=2), 2^(1/3), 2^n, sin(phi), cos(3.142rad), a_1, or (root of x^5-x-1 near 1.2) 矩陣文字敘述:. {{1,3},{4,5}} 運算符:. +, -, *, /, \, !, ^, ^{*}, ,, ;, ≠, =, ⩾, ⩽, >, and. 函數:. sqrt, cbrt, exp, log, abs, conjugate, arg, min, max, gcd, rank, adjugate, inverse, determinant ...