本帖最後由 alanh999 於 2018-11-10 17:37 編輯
回覆 3# victor59hk
You don't need AND in this nested IF formula because Excel examines the value against criteria from left to right and stops at the first matched criterion.
The formula could be simplified to:
=if(A1<20,"青",if(A1<=30,"成1",if(A1<=40,"成2",if(A1<=50,"中","老")))) |