hi, Iam new to jasper reports. i am having four variables in summary band which are of sum of unique text fields in the detail band. i need to sum those variables in the summary band. variable1=100(variable class-java.math.Bigdecimal) variable2=100(variable class-java.lang.string) variable3=100(variable class-java.lang.string) variable4=100(variable class-java.lang.string) ___________ 400 ____________ i tried like $v{variable1}+$v{variable2}+$v{variable3}+$v{variable4} in a static text field. it is not giving correct result. Any one help me in resolving this. Thanks in advance. Thanks