=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(B1,"-","")," ",""),"+",""),".",""),"(",""),")","")
=IF(LEFT(C1,1)="6",C1,"6"&C1)
=AVERAGE(A2:A7)
#boleh guna untuk ("=sum("), ("=count(" for count table that have number cell), ("=counta(" for count table that have all cell)
=SUMIF(A2:A9,A12,B2:B9)
#=COUNTIF(A2:A9,A12) cari jumlah orang tu dah beli berapa kali
=CONCATENATE(A2," ",B2)
=IF(A2="ali",TRUE,FALSE) @ =IF(A2="ali","yes","no way")Â