This problem is helpful in solving many problems. Researchers devised several methods for solving this problem. The earliest methods for solving quadratic equations were geometric. This corresponds to searching for the best solution in solving optimization problems. It measures problem solving and cognition. There are several hypotheses in regards to how functional fixedness relates to problem solving. There are generally two ways of solving the problem. It is applied in the method of simulated annealing for problem solving and machine learning. He has a talent for solving jigsaw puzzles quickly. Coping consists of deliberate, conscious actions such as problem solving or relaxation. Dijkstra tried to build a group of computer scientists who could collaborate on solving problems. Gameplay consists of the player solving puzzles. Babylonian cuneiform tablets contain problems reducible to solving quadratic equations. Gameplay consists of a combination of puzzle solving and combat. Note that this amounts to solving three equations in three unknowns.