Image Uploader Anonymous, November 30, -0001; 00:00 Tags ilolled math Source Unknown Locked No Comments January 25, 2009; 12:59 - Reply Shrubby: I don't get the symbol on the left. Is it like a euro sign or something? March 27, 2010; 07:15 - Reply Anonymous^{1}: Sigma, a mathematical sign. used as notation for a summation 3 E (x²) = 1² + 2² + 3² x=1 incase i do remember correctly. Link to Post BBCode Link Thumb File HTML Link Thumb File Plain Text Link Thumb File

## Comments

^{1}: Sigma, a mathematical sign. used as notation for a summation3

E (x²) = 1² + 2² + 3²

x=1

incase i do remember correctly.