11/10............is the 5th term................and 11/10........becomes 21......11 + 10 = 21.................like 1/2.........backwards...............and 21i.........the 2nd zero......10 on the bottom..........the base..........and 2 * 5 = 10...........................every other neg even number............2 then 5........every other..............0.25.............is 1/4.........like 14i................90 degrees is 1/4 th of full circle.............4 primes in single digits.................................0 - 9.........ALL single digit numbers.....10 of them..........in the denominator.......of 11/10.........the 5th term...............2 * 5 = 10............starting at 2............and skipping 3.........every other.................the 1st 2.........like 1/2...........the critical line........