function love.load() -- do global variables get declared here?
	windowwidth = 1000
	windowheight = 1000
	sucess = love.window.setMode(windowwidth, windowheight)
end

function plot(x, Xmin, Xmax, Ymin, Ymax)
	for i = Xmin, Xmax do
		love.graphics.line(i, -i^2, i+1, -(i+1)^2)
	end
end

function love.draw() -- render to window
	x = -windowwidth
	love.graphics.setColor(200/255, 215/255, 0/255)
	love.graphics.translate(windowwidth/2, windowheight/2)
	love.graphics.setLineWidth(0.1)
	plot(2, -10, 10, -10, 10)
end