Countif Excel
=COUNTIF(A1:A10,"<"&B1) // count cells less than B1
notPlancha
=COUNTIF(A1:A10,"<"&B1) // count cells less than B1
COUNTIF(A1:A20,">100") // count sales over 100
COUNTIF(B1:B20,"sold") // count if content = "sold"