IE 212: COMPUTATIONAL METHODS FOR INDUSTRIAL ENGINEERING
SUMMER 2015
OUTLINE OF MATERIAL IN LECTURE NOTES #4, #5, AND #6
***Important note: Make sure you review the midterm exam study guide as well since the final
exam includes all lectures from the beginning of the class.
LECTURE #4: WORKING WITH VARIABLES AND USER INTERFACES
1. Working with Variables
a. Data types in Excel VBA
 Most common data types in Excel VBA
 Memory requirements and allowable ranges for most common data types
 Common criteria to select data types
b. Declaring and naming variables
 Keyword to declare variables
 Rules on naming variables
 Declaring constant variables
c. Scope of variables
 Differences between private and public variables
 Keywords to use to declare private and public variables
2. Working with User Interfaces
a. The MsgBox function
 Purpose
 Arguments
b. The InputBox function
 Purpose
 Arguments
LECTURE #5: PROGRAMMING STRUCTURES
1. Arithmetic Operators
a. Addition (+)
b. Subtraction (-)
c. Multiplication (*)
d. Floating division (/)
e. Integer division (\)
f. Exponentiation (^)
g. Modulus operation (Mod)
2. Comparison Operators
a. Less than (<)
b. Less than or equal (<=)
c. Greater than (>)
d. Greater than or equal (>=)
e. Not equal (<>)
3. If Statements
a. Basic form of the If…Then…Else statement
 Basic flowcharts for If…Then…Else statements
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b. Advantages of using the alternative If…ElseiIf…Else statement
c. Logical checks and Booleans
 Logical And
 Logical Or
 Using variables of type Boolean in selection structures
d. The Select Case statement
 Basic flowchart for the Select Case statement
 Alternatives for defining individual cases to compare against the control variable
4. Repetition Structures
a. Basic requirements for counter-controlled repetition
b. The For…Next loop
 Basic structure of the For…Next loop
 Basic flowchart for the For…Next loop
c. Do While and Do Until loops
 Basic structure of the Do loops
 Basic flowchart for the Do loops
5. Exit Statements
a. Exit Sub statement
b. Exit Function statement
c. Exit For statement
d. Exit Do statement
e. End statement
LECTURE #6: FUNCTION PROCEDURES AND ARRAYS
1. Organizing Sub Procedures
2. Function Procedures
a. Differences between Function procedures and Sub procedures
b. Critical elements of a Function procedure
 Name of the function procedure
 Type of the variable that receives the value returned by the function procedure
c. Syntax of a Function procedure
d. Writing and interpreting Function procedures
3. Methods for Passing Variables to Function and Sub Procedures
a. By reference
b. By value
 ByVal keyword
 Parentheses
4. Public and Private Procedures
5. Using Arrays in Excel VBA
a. Characteristics of arrays
b. Benefits of using arrays
 Differences between an array and a scalar variable
c. Declaring arrays
 One-dimensional vs. two-dimensional array declarations
 Fixed size
 Dynamic size
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d. Array indices
 Default index of the first element in one-dimensional vs. two-dimensional array
 Alternative array declaration to change default index
 Option Base 1 statement
e. Accessing elements in an array using their index
f. Using the functions LBound and UBound
g. Populating arrays using repetition structures
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