text: how can i put a plus sign in c++? how can i put a plus sign in c++ are you trying to do maths in c++ ie add numbers together or are you just trying to display the plus symbol as a character so that you can show the end user that you are literally adding 2 or more values together ?  if you are using it to add then literally just use the plus symbol ie + or if you want to use it to display an addition then put the plus symbol inside of a string   ie  cout << "+"  a good tutorial for displaying things to screen would be this tutorial :  http://www.cplusplus.com/doc/tutorial/basic_io.html  short of that look here :  http://www.cplusplus.com/doc/tutorial/  also www.codeproject.com and www.pscode.com will have lots of other source code examples etc.  it all depends on how complex you want to get and if you want a gui etc