Hi!=20
I need a formula to substract numbers in non contigous=20
cells THAT ARE IN ONE COLUMN and have the result in other=20
cell, for example:


........................A...................B

R1..................................BLANKCELL
R2..................................BLANKCELL
R3..................................15
R4..................................BLANKCELL
R5..................................BLANKCELL
R6..................60.............75
R8..................................BLANKCELL
R9..................................BLANKCELL
R10................................BLANKCELL
R11................................BLANKCELL
R12................................BLANKCELL
R13................................BLANKCELL
R14..............175.............250
R15................................BLANK
R16................................BLANK
R17................................BLANK
R18................................BLANK
R19..............50...............300


Any help will be appreciated

Thanks and regards

Guillermo Padr=F3n