


The Art of Mathematics 
Help 3.1.6+ — plus operator1. DefinitionPlus is basic operator of addition — the result of addition of two numbers is total quantity of both numbers. 2. IdentitiesSymmetry: a + b = b + aZero item: a + 0 = aNegative item: a + (−b) = a − bAssociativity: a + b + c = a + (c + b)3. How to useTo add numbers:
To add complex numbers:
To engage current result as item:
To engage number z in memory as item:
To add numbers z and w in memory: 4. SupportAddition of complex numbers is supported in professional version of the Librow calculator. 


