Math can be fun

[talhof8]

https://www.google.com/search?q=5%20%2B%20%28-sqrt%281%20-%20x%5E2%20-%20%28y-abs%28x%29%29%5E2%29%29%20*%20cos%2830*%28%281%20-%20x%5E2%20-%20%28y-abs%28x%29%29%5E2%29%29%29%2C%20x%20is%20from%20-1%20to%201%2C%20y%20is%20from%20-1%20to%201.5%2C%20z%20is%20from%201%20to%206&aq=f&oq=5%20%2B%20%28-sqrt%281%20-%20x%5E2%20-%20%28y-abs%28x%29%29%5E2%29%29%20*%20cos%2830*%28%281%20-%20x%5E2%20-%20%28y-abs%28x%29%29%5E2%29%29%29%2C%20x%20is%20from%20-1%20to%201%2C%20y%20is%20from%20-1%20to%201.5%2C%20z%20is%20from%201%20to%206&ie=UTF-8