Question RPM Calculator stack implemntation


New member
Feb 12, 2012
Programming Experience
I am new to Csharp I am implmenting RPN calculator. The problem is i need to implem,ent this in 4 stacks .i ned help in implementation I have a multiline textbox .suppose i have pressed 2 and pressed enter it should got into 2 second line from bottom , 3 and enter (it should go 1 line from bottom), later i have pressed "+" it should give me a total of 5(in line 0).how does the cursor goto to upper and lower lines.. i dont know Please help me out

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