非空白格子數
// count non-blank cells =SUMPRODUCT(LEN(A1:A13)>0)
ProductivitySpot ⟩ How to Count Cells If Not Blank in Google Sheets
Google Sheets: Array Lesson 2: 陣列-交集-單值 (Array-Intersection-Single value) ⭐️
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SUMPRODUCT - 其實就是數學的「內積」運算 (inner product or dot product)。
LEN - string length
Last updated 2 years ago