console.log('\'Allo \'Allo!'); // eslint-disable-line no-console

var calculation = [];

function one() {
    calculation.push(1);
}

function two() {
    calculation.push(2);
}

function three() {
    calculation.push(3);
}

function four() {
    calculation.push(4);
}

function five() {
    calculation.push(5);
}

function six() {
    calculation.push(6);
}

function seven() {
    calculation.push(7);
}

function eight() {
    calculation.push(8);
}

function nine() {
    calculation.push(9);
}

function plus() {
    calculation.push("+");
}

function minus() {
    calculation.push("-");
}

function multiply() {
    calculation.push("*");
}

function divide() {
    calculation.push("/");
}

function firstBracket() {
    calculation.push("(");
}

function lastBracket() {
    calculation.push(")");
}

function clear() {
    calculation = [];
}

function cancel() {
    calculation.pop();
}

$(document).ready(function () {
});
Add calculator function