1. Chapter 4 SPREADHEET MODELLING WITH EXCEL
STEP 1 PLANNING THE MODEL
Developing the Conceptual Paper Worksheet (CPW)
STEP 2: TRANSLATING THE CPW INTO A SPREADSHEET MODEL
Cell referencing
Saving a spreadsheet model:
Entering the OUTPUTS
Entering the TOT REV Column
Absolute and relative addressing

2. STEP 3 TIDYING UP THE SPREADSHEET MODEL Adjusting the column widths
Copying a formula
Entering the TOT COST Column
STEP 3 TIDYING UP THE SPREADSHEET MODEL
Adjusting the column widths
Formatting the contents of the cells
Interrogating the model

3. STEP 4 CREATING A GRAPH
Follow Step 1 to step 4--- THE CHART WIZARD ICON
Making minor Changes to the graph
Scaling of x-axis and y-axis
Modifying The Model
Creating a Copy of the Original Model
Creating a copy of the original Chart
Modifying the Original Chart

4. SOLVING SIMULTANEOUS EQUATIONS

5. Enter the data as shown below, (Fig 13).
Solving the equations as a two stage process
Stage 1: find the inverse of the A matrix
Stage 2: multiply this inverse by the b matrix
Solving the equations as a one stage process