The following two columns should be identical.

 ∏   ∏
 &prod   ∏
 &prod   ∏
=&prod= =∏=
 ∑   ∑
 &sum   ∑
 &sum   ∑
=&sum= =∑=
 ©   ©
 ©   ©
 ©   ©
=©= =©=
 €   €
 &euro   €
 &euro   €
=&euro= =€=
 ×   ×
 ×   ×
 ×   ×
=×= =×=