Using only two 2's and any combination of mathematical signs, symbols and functions can you make 5?

• Sigma 2 +2 = 3+2=5
  where Sigma 2 = 1+2=3
• 12 years agoHelpfull: Yes(6) No(0)
• Summation(2)+2 = 5
  
  Summation symbol is similar to E.
  Summation(n) = 1+2+3+...+n
  So, its (1+2)+2 = 3+2 = 5.
• 12 years agoHelpfull: Yes(1) No(3)
• ceil(sqrt(22))=5
• 12 years agoHelpfull: Yes(1) No(2)
• A more simple and less complicated solution using basic symbols would be
  
  [{[(2^2)*(2^2)]-(2*2)}-2]/2
• 12 years agoHelpfull: Yes(1) No(0)