SajhaBashi Java Guru, I need your help to read csv file (which included comma delimiter) to pop up it in Java GUI. sample of csv data file -------------------------- JavaGuru,SajhaBashi,777,love2help Neprican,Amrican,Mexican GUI description to popup csv data ---------------------------------------- Name: Residence: Secret Number: Hobby: Friends: Also Update csv file with other data.......... Also help me to implement scientific calculator. I am able to do standard functional calculator but having problem to implement trigonometic operations( sin, cos, tan, sin-1, cos-1, tan-1), convernt between decimal numbers and integers and include the following operations: 1/x, x power y, x power 1 by y, log10, 1n, e power x JavaGuru ko Jay Hosa........ Hajurko Darsan Milosa......