1, two columns of data to find the corresponding position of the same value
=match (b1,a:a,0)
2. The result of a known formula
Define Name =evaluate (sheet1! C1)
Formula for known results
Define name =get. CELL (6,sheet1! C1)
3, forced line wrapping
With Alt+enter
4, more than 15 digits input
This question asks too many people, also put up. First, the cell is set to text, and two, enter the number before entering '
5. If you hide column B, if you let it show up?
Select a to C column, right-click and unhide
Select a to C column, double-click to select any column wide line or change any column width
Move the mouse over the AC column, and drag when the mouse changes to a double vertical bar.
6, Excel in the row and column interchange
Copy, paste selectively, select transfer, OK
7, how Excel is encrypted
(1), save can be saved as >> the upper right corner of the "Tools" >> general >> settings
(2), Tools >> options >> Security
8. About COUNTIF
The COUNTIF function can have only one condition, such as greater than 90, =countif (a1:a10, ">=90")
A reduction is required between 80 and 90 for =countif (A1:A10, ">80")-countif (a1:a10, ">90")