Hi, i want to create a line chart. x axis - timeline ( 24 hours) y axis - number of cells which contains the string "abc" I tried to declare a variable with java.lang.integer and calculation method sum...but anyhow it doesn't work... could you please help me? I am using a excel spreadsheet. three columns: yxz | date | time i want to count the cells of column 'time' when column yxz contains the string "abc" thank you very much in advance