Sir,Good Day..I am a newbie here and i am just learning the usage of microsoft access..can you help me solve my problem in making a running balance in a query of microsoft access 2013 of my In and Out Investment?here is the attachment of my image for the sample table and the query that i created..please help me...i am doing this table and query for almost 2 months...i beg you all please..thank you in advance...