开方算法（国外英文资料）.docVIP

开方算法（国外英文资料） One, open square manual algorithm The method was developed by the necessity of large open square operations and the inability to use calculators in the case of gravity and spaceflight. The whole process of the open square is divided into the following steps: (a) a A longer term is divided into segments. The specific rule is: The direction of the division is from low to high. 2, each of the two Numbers is a paragraph; In the end, there are two Numbers on the top, but no Numbers. For example:is 43 |04 | 67 | 21 Its 1 | 23 | 21 In this case, the vertical bar in each section is not necessary to write after being skilled. After the split, you can see that the result is a number of digits, such as which is the four-digit number. (2) prescribing The operation of the square is very similar to doing division, and you have a process of multiplying and subtracting. This is an example of So its 43 |04 | 67 | 21 Operation from high to low, look at the top two 43, since 62 the most close to 43 and not more than 43, so traders (find the right word here, and continue to divide the word) 6, and then do subtraction (below) : 6 -- -- -- -- -- 4, 3, |, 0, 4 |, 6, 7 | 2 1 3 to 6 -- -- -- 7 0 4 Here we have two of them, different from division. The following process is the most complex part of the whole algorithm, called the number of things, because the process of figuring out the number of things youre going to lose is tricky. So first of all, were going to have 6 times 6 times 2, 6 times 2 is 12 The 12 here is not really 12, its actually 120, and the zero in the ones place is just to write down the number that you want to have. So lets say that the next thing were going to do is A, and the question were going to consider is this: from 0 to 9, were going to find A, which is: 12A times A is the closest but no more than the remaining number 704. Notice that A is representing A place here, if A is equal to 6, then 12A is not 12 times 6, but 126.