var canvas, context, audio_context, oscillator, interval; alert("Please switch the sounds on"); var cool_funcstrings = [ "Math.pow(-1, x)*x&1*100", "Math.pow(-1, x)*x&(x-20)", "Math.pow(-1, x)*x%50", "Math.pow(-1, x)*100%x", "Math.abs(Math.sin(x/20)*20)", "Math.tan(x/20)*20*Math.pow(-1, x)", "1000/x", "Math.pow(x, 3)/5000", "Math.sqrt(10000-x*x)", "(Math.cos(x/20)+Math.sin(x/20)+Math.tan(x/20)+1/Math.tan(x/20))*20", "Math.pow(x, 2)/20", "x*x", "Math.pow(-1, x)*Math.sqrt(x*x-1000)", "-Math.sqrt(10000-x*x)", "-1000/x", "x&1*100", "Math.atan(-1+2*(Math.abs(x%101)/100))*Math.acos(-1+2*(Math.abs(x%101)/100))*70+50", "Math.sin(-1+2*(Math.abs(x%101)/100))*Math.asin(-1+2*(Math.abs(x%101)/100))*70", "Math.asin(Math.cos(x/20))*20", "Math.cos(Math.sin(Math.tan(x/100)))*100", "Math.atan(Math.acos(Math.atan(-1+2*(Math.abs(x%101)/100))))*70", "Math.atan(Math.atan(Math.atan(-1+2*(Math.abs(x%101)/100))))*70" , "Math.pow(-1, x)*x" , "Math.gcd([20, Math.abs(x)])*20", "-Math.gcd([20, Math.abs(x)])*20*Math.pow(-1, x)+50" , "Math.phi(Math.abs(x))", "Math.iteration(Math.tan, x/20)(x/20)*20", "Math.phisum(x)", "(Math.sin(x)*100)&(Math.cos(x)*100)", "Math.iteration(function(x){return H(20, x/20);}, x/20)(x/20)*20" , "H(x,x/20)*20", "Math.fact(Math.floor(Math.sin(x/20)*10))*20", "14+Math.sin(751*8/x)/12+2*Math.cos(x/100)*20/Math.tan(1000/x)", /*by :xKAPTORx: */ "Math.iteration(function(x){return Math.sin(7/x)+2*Math.cos(x/9)*2/Math.tan(9/x)},Math.pow(-1,x))(x)", "32/Math.cos(Math.sin(1000%17+(x&10))/x+71)/Math.tan(32/x+Math.cos(10%21,x/Math.sin(100/28%x)))%x", /*by :xKAPTORx: */ "Math.iteration(Math.sin, 11+Math.pow(-1, x)*10)(x/20)*100", "Math.phisum(Math.abs(x))", "Math.gcd([Math.phi(Math.abs(Math.floor(x/20))), 20])*20", "Math.iteration(Math.tan, Math.floor(Math.sin(x)*100))(x)", "Math.pow(-1, x)*Math.pow(Math.pow(x/100, 3), x/100/Math.fact(Math.abs(x/100)))*100", "Math.pow(x/20, x/20)*Math.fact(x/20)", "Math.phisum(Math.sqrt(10000-x*x))", "Math.phi(Math.floor((x+200)/20))&((x+200)/20)*500", "x^20", "Math.pow(-1, x)*x^20", "x^2*x", "Math.sign(Math.sin(x/20))*100", "Math.tetrate(x/100, 2)*100", "(Math.cos(x/50)+Math.cos(Math.tan(x/50)))*50" ]; window.onload = function(){ audio_context = new AudioContext(); oscillator = audio_context.createOscillator(); oscillator.type = 'sine'; oscillator.connect(audio_context.destination); oscillator.frequency.value = 0; oscillator.start(); canvas = document.getElementById("canvas"); canvas.width = window.innerWidth; canvas.height = window.innerHeight; context = canvas.getContext("2d"); clear(); var x = 0; var point = null; function draw(){ if(x===0){ var funcstring = prompt("enter function, e.g. Math.pow(x/20, 2)*20", cool_funcstrings.random()); if(funcstring) eval("f=function(x){return "+funcstring+"; }"); point = null; clear(); } if(x<=canvas.width){ var y = f(x-canvas.width/2); var target = new Point(x, canvas.height/2-y); if(point){ point.connect(target); } point = target; ++x; } else{ clearInterval(interval); x=0; interval = setInterval(draw, 10); } } interval = setInterval(draw, 10); }; function f(x){ return Math.pow(-1, x)*x&1*100; } function clear(){ context.fillRect(0, 0, canvas.width, canvas.height); context.strokeStyle = "#00F"; new Point(0, canvas.height/2).connect(new Point(canvas.width, canvas.height/2)); new Point(canvas.width/2, 0).connect(new Point(canvas.width/2, canvas.height)); context.strokeStyle = "#FFF"; } function randomColor(){ var r = Math.floor(Math.random()*256); var g = Math.floor(Math.random()*256); var b = Math.floor(Math.random()*256); var rgb = "rgb("+r+", "+g+", "+b+")"; return rgb; } function Point(x, y){ this.x = x; this.y = y; this.connect = function(p){ if(p.y<0) navigator.vibrate(50); try{oscillator.frequency.value = canvas.height-p.y;} catch(e){} context.beginPath(); context.moveTo(p.x, p.y); // context.stroke(); context.lineTo(x, y); context.stroke(); }; } function HarmonicSeries(rank){ this.rank=rank; this.k=function(x){var y=0;for(var v=1;v=1&&b>=1) return recursion(a, b); else return null; } if(!nums) return null; if(!nums.length) return null; var result = nums[0]; if(nums.length===1) return gcd2(nums[0], nums[0]); for(var v=1; v

Cartesian Grapher