Monday, August 28, 2006

Expressions

Topics

• Definition of an expression
•         Constant
•         Variable
•         expression operator expression
•         (expression)
• The five arithmetic operators:   +    -    *    /    %
•          /  is integer division (drops any fraction) if there are integers on both sides
•         % is the modulo operator - gives the integer remainder after a division
• Analyzing the order of evaluation of an expression
•  
• The assignment statement
•         =  does not mean the same thing as in algebra
•         lvalue
•         rvalue

Readings

Wu fourth edition: Sections 3.1, 3.2, and 3.3.  class Math is covered in 3.7.  Section 3.8 is interesting and useful.