If you graph a linear function, you get a line. If you graph a quadratic function, you get something called a parabola. A parabola tends to look like a smile or a frown, depending on the function. Check out this tutorial and learn about parabolas!
Orange Door Meanings. Orange is a colour associated with Mercury, which is the swiftest of the planets. Indeed the planet as the fleet-footed Roman god is symbolic of for reception, communication, perception, commerce, movement, intelligence and flexibility. With these kind of qualities, it might be a good idea to paint your business door orange.
Those 18th-century British architects kept the front hallway somber to recall the color of the stone outside, on the facade. I like the idea of bringing the outside in, but stone doesn't necessarily work for me. I tend to use a sky-bluish color that has a pretty heavy dose of gray and green.. - Steven Gambrel.