K has this: http://johnearnest.github.io/ok/index.html?run=%20a%3A%3Ab*c%3B%20b%3A2%3B%20c%3A3%3B%20a http://johnearnest.github.io/ok/index.html?run=%20a%3A%3Ab

K has this: http://johnearnest.github.io/ok/index.html?run=%20a%3A%3Ab*c%3B%20b%3A2%3B%20c%3A3%3B%20a http://johnearnest.github.io/ok/index.html?run=%20a%3A%3Ab*c... a::b*c; b:2; c:3; a results in a being equal to 6, and if you update b or c a will update too.