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.
The right shutter color adds visual interest to a stone house. When choosing exterior house colors remember that your home's exterior is the first thing visitors see, and as the home portal, your door is especially important to that first impression. Color is a great way to highlight a door so that it is the obvious entrance to the house.