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Programming
 

Programming

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    Programming Programming Presentation Transcript

    • PROGRAMMING Program Development
    • Learning Outcomes
      • Apply program development phases to solve problems
      • Develop a program
    • Situation
      • Your younger brother has a problem with a basic mathematic operations like addition, subtraction, multiplication, and division. Your parents ask you to develop one simple system using Visual Basic to help your brother.
      • Your system should have function button to calculate the additional, subtraction, multiplication, and division for at least two integer numbers
    • Programming Development Phase
      • Problem Analysis
      • Program Design
      • Coding
      • Testing and Debugging
      • Documentation
    • 1. Problem Analysis
      • What the problem?
      • What the input, process, and output?
      • What the formula on how to calculate
      • the mathematic operations?
      1
    • 2. Program Design
      • Write the pseudo code
      • Write flow chart
      • Design user interface
      2
    • Pseudo code
      • PROGRAM Mathematic_Operations
      • READ the first number
      • READ the second number
      • READ command button Add
      • CALCULATE the sum of number 1 and number 2
      • PRINT the answer for Addition
      • END PROGRAM
    • Flow Chart START READ number 1 & 2 CALCULATE STOP/END PRINT the answer
    • User Interface
    • 3. Coding
      • SCRIPTING
      3
    • Coding
      • ‘ formula for additional (internal documentation)
      • Private Sub cmdAdd_Click()
      • Dim Number1, Number2 As Integer
      • Number1 = txtNumber1.Text
      • Number2 = txtNumber2.Text
      • txtSum = Number1 + Number2
      • End Sub
    • 4. Testing and Debugging
      • RUN & COMPILING
      4
    • 5. Documentation
      • Internal Documentation
      • External Documentation
      5
    • Exercises
      • Modify the additional formula to use for subtractions, multiplication and division.