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!
Green Door Meanings. Green bursts with images of spring, and so green is symbolic of renewal, growth, rejuvenation and transformation. Green is associated with the earth, and can provide grounding energies. Green is also used in holistic healing practices because it promotes physical well-being as well as compassion.
Interior designers traditionally consider the door as part of the interior trim, which includes the baseboards and door and window casings. It's unusual to paint trim the same color as the walls, although the monochromatic effect this creates can complement oversized windows or a prominent fireplace.