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  It all started with math. 1 + 1 = 2 4 x 4 = 16 4 x P = how am I supposed to know? P is a letter. Unless P means something else. If P equals a number like 10 for example, then 4 x P = 40. By the way, sometimes people will write this as 4P. So 4 x P can also be written as 4P and can also be written as 4 • P. Multiplication is sometimes written as x or as • . 9 ÷ 3 = 3, this is the same as writing 9 / 3 =3, also the same as writing     1000 - 100 = 900  = 2 x 2 x 2 = 4 x 2 = 8. By the way   is the same as writing 2^3. When a small number is above another number to the right like that, its called a "power" in mathematics.  = how am I supposed to know? You haven't told me what the symbol i is equal to. 3 x 2^3=3 x 8=24. You always take care of the ^ before the x Let's combine some of the tools above: 1 + ((4 x 4) ÷ 2) - 5 = 4 The (  ) are parentheses. You always complete what is in the tightest pair of parentheses and work your way out. Why the ...