Constants as greek

Greek-constants

var τ = Math.PI * 2;
var Θ = 30;
var λ = function(){};
var ψ = ['z^0', 'z^1', '...'];
var Δ = function(thing1, thing2){return Math.abs(thing1-thing2);};
 
alert(Θ);
alert(τ);
alert(λ);
alert(ψ);
alert(Δ);
alert( Δ(100, 100) );