According to the chemical encyclopedia of Chemeurope.com, aviation gasoline â or avgas for short â is a fuel used in piston-engine and Wankel engine aircraft. It is different from standard gas because it uses tetra-ethyl lead, or TEL, to enhance combustion.
This is a list of symbols found within all branches of mathematics to express a formula or to represent a constant. When reading the list, it is important to recognize that a mathematical concept is independent of the symbol chosen to represent it.
In math, value is a number signifying the result of a calculation or function. So, in the example above, you could tell your teacher that the value of 5 x 6 is 30 or the value of x + y if x = 6 and y = 3 is 9.