EqualsEval

expr1 == expr2

expr1 == expr2 returns True if expr1 and expr2 evaluate to the same expression. Returns False if expr1 and expr2 evaluate to different expressions and neither contain an undefined variable. Returns expr1 == expr2 otherwise.

Example in out
Two expressions that evaluate to the same expression. CalcPlus[1,1] == 2 True
Two expressions that do not evaluate to the same expression. 1+1 == 2 False
Two expressions that do not evaluate to the same expression containing an undefined variable. x+2 == 2 x x+2 == 2 x