Square Root Process Similar to Long Division

[Albert Chan]

If divisor is not 1, it work the same way

12345 = 111^2 + 24       // X = 111

111       24E3/2 = 12E3 = 108X + 12
108       12E3 - 108^2/2 = 6168 = 55X + 63
055       63E3 - 55*108 = 57060 = 514X + 6

√(12345) ≈ 111. 108 055 514