http://gothub.r4focoma7gu2zdwwcjjad47ysxt634lg73sxmdbkdozanwqslho5ohyd.onion/PaddiM8/kalker
Features Operators: + , - , * , / , ! Groups: () , [] , ⌈ceil⌉ , ⌊floor⌋ Vectors : (x, y, z, ...) Matrices : [x, y, z; a, b, c; ...] Pre-defined functions and constants User-defined functions and variables. f(x, y) = xy , x = 5 Root finding using Newton's method (eg. x^2 = 64).