| Line 30: |
Line 30: |
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| − | 1.ISBLANK | + | 1.ISBLANK(n) |
| − | V refers to an empty cell. | + | n refers to an empty cell. |
| − | 2.ISERR | + | 2.ISERR(n) |
| − | V refers to any error value except #N/A. | + | n refers to any error value except #N/A. |
| − | 3.ISERROR | + | 3.ISERROR(n) |
| − | V refers to any error value | + | n refers to any error value |
| − | 4.ISLOGICAL | + | 4.ISLOGICAL(n) |
| − | V refers to a logical value. | + | n refers to a logical value. |
| − | 5.ISNA | + | 5.ISNA(n) |
| − | V refers to the NaN error value. | + | n refers to the NaN error value. |
| − | 6.ISNONTEXT | + | 6.ISNONTEXT(n) |
| − | V refers to any item that is not text. | + | n refers to any item that is not text. |
| − | 7.ISNUMBER | + | 7.ISNUMBER(n) |
| − | V refers to a number. | + | n refers to a number. |
| − | 8.ISREF | + | 8.ISREF(n) |
| − | V refers to a reference. | + | n refers to a reference. |
| − | 9.ISTEXT | + | 9.ISTEXT(n) |
| − | V refers to text.</font></font> | + | n refers to text. |