Excel uses F4 to switch between absolute cell reference and relative
cell reference. Cell C5=$A 8 means A 8 absolute reference. Insert rows and columns up, down, left, and right at position C 5. It always quotes A 8 = 8 means A8 absolute reference. Insert rows and columns up, down, left and right at position C5, it always quotes A8 =8 Table shows A 8 must of primers used , the C . 5 bit counter on the left and right insertion into rows and columns , it is the beginning end primers with A 8= A8, column A (vertical) is an absolute reference, when inserting a column, it always quotes column
A = A$8, the inserted column will change, the row will not change
Excel uses F4 to switch between absolute and relative cell references
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Origin blog.csdn.net/txwtech/article/details/112600315
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