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Managing Financial

InformationCritical Thinking

Business Process ModelingWINIT

Control StructuresHomework

Critical Thinking Missing files / other zip issues Videos are guides, not to be copied exactly! Focus

on functionality. Does your work do what is required?

Grade fairness is important to me: come and see me

Two freebies Helping others Today office hours only up to 5pm EasyMeter

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Business ProcessModeling Tools

Jobs and tools

SAP at Renacer

Modeling a BP

Identify the requirements (what needs to be done)

Create a description of the financial

Business Process

Implement the BP

using IT

Business Analyst / Consultant

Technical Analyst / Consultant

Developer / Consultant

UML Use CaseDiagrams

Use CaseDiagrams

Use CaseDiagrams

ScenarioDiagrams

ScenarioDiagramsDeployment

Diagrams

StateDiagrams

StateDiagramsSequenceDiagrams

ComponentDiagramsComponentDiagramsCollaboration

Diagrams

StateDiagrams

StateDiagrams

PackageDiagrams

ScenarioDiagrams

ScenarioDiagramsComponentDiagrams

Use CaseDiagrams

Use CaseDiagrams

ActivityDiagrams

StateDiagrams

StateDiagrams

ClassDiagrams

ScenarioDiagrams

ScenarioDiagramsStatechartDiagrams

International standard: diagramming techniques to describe processes

An Activity Diagram understand &

communicate reengineer &

change specify software

WE WILL USE IT TO DESCRIBE (HOME)WORKTO BE DONE.

Activity Diagram Receive goods

[OK]

Inspect content Return some goods

Pay vendor

Accept allgoods

Receive returnsNotify Vendorand A/P

Update A/R

Reconcile Account

[Errors]

[Returned goods]

VENDORA/PRECEIVING

Update A/P

Starting point

Activity

Decision Point

End point

[Guard] Model guardsonly if they add value

Swimlane

Fork Join

Actor

Merge

Forks, Joins, and Merges A join has a single exit point,

that is traversed when all the input activities have occurred.

A merge (same symbol than the decision point) has a single exit and is traversed when any one of the input activities occurs.

A fork has one entry point and multiple exits to activities that can be done in parallel

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t HomeworkH3

Ask for the interest rate (e.g., “5” means five percent). Allow for fractions, as in

4.725.

Ask for the principal in $

Ask for the number of years (1-30)

Ask the user whether he/she wants to see (a) the interest, (b) the sum of principal +

interest, or (c) both a and b (default).

More than $0

Less or equal 0or more than 10

Less than 1 or more than 30

Ask for more? (y=yes)

Print Output

Print Output

Print Output

a b anything else

y

For this assignment assume a “competent” user

Activity Diagram H3 - Simple Financial Calculator

H3: Math Functions

Interest = Principal * [(1+ Interest Rate) t – 1]

"Principal" is the same as "capital" pay attention to the unit of measure!

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In Technology?

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t From UML to VBIntroduction to Visual Basic

VariablesAre named places in memory where you store information.To create a variable, you declare it (Dim) and you tell the computer what type of info you want to store in it (e.g., an integer, a double, a string, a range).Dim myInterest as double = 0Dim userInput as string = “Stefano” To change its content, you use the assignment operator “=”myInterest = 0.05 To use its value, you just write its nameDim newVariable as double = 0newVariable = myInterest * 2

Excel CELLS Are objects with properties and behaviors. No need to pre-specify what king of info you want to store in

them. Examples:

Range("A1").Value = “My Excellent Calculator”Range("A1").Font.Bold = TrueRange("A1").ColumnWidth = 30Range("A3").Value = "Interest is"Range("B3").Columns.NumberFormat = "$#,##0.00_);[Red]($#,##0.00)"Range("B3").Value = interest

Once charted with UML, financial processes are easier to implementRecognize the patterns & follow the examples

VBA

Implementing a Decision...

creditRate > 50%

Dim creditRange as Double

‘ More instructions…

If creditRate > 0.5 Then Range("A10").Value = "Approved!"Else Range("A10").Value = "Rejected"End If

Print “Approved”

Print “Rejected”

...

The “else” Is Optional

...

cr. rate > 50% If creditRate > 0.5 Then Range("A10").Value = "Approved!"End If

Print “Approved”

...

TestsAND:

if (creditRate > 0.5 ) And (age > 21)

OR:

if (creditRate <= 0.5 ) Or (age > 21)

NOT:

if Not (age = 21)alternatively you can use

If age <> 21

Implementing a Decision Loop

Dim inputFromUser As String

Do inputFromUser = InputBox(“Amount of principal?") principal = Double.Parse(inputFromUser)Loop While principal <= 0

Ask the user the amount of principal in $

Principal <= $0

Implementing a Nested Loop

Ask the user the amount of principal in $

Less than / equal to $0

Do ‘ Task A

Do inputFromUser = InputBox(“Principal?") principal=double.Parse(inputFromUser) Loop While (inputFromUser <= 0) ‘ Task B

inputFromUser = InputBox(“Want to quit?")Loop While (inputFromUser <> “y”)

Task B

want to quit (n=no)?n

Task A

y

Math Functionsinterest = Principal * [(1+ Interest Rate)t – 1]

1. interest = principal * (Application.WorksheetFunction.Power((1 + interestRate), t)-1)

2. interest = principal * ((1 + interestRate) ^ t) - 1)

An Alternative to IF…THENWhen There Are Multiple Options

Select Case textFromUser

Case a

Range(“B5").Value(“This is case a")‘ More instructions…

Case b

Range(“B5").Value(“This is case b")‘ More instructions…

Case Else

Range(“B5").Value(“this is the Default")

‘ More instructions…

End Select

Ask the user

Print Output

Print Output

Print Output

ab

default

A More Interesting Case Dim number As Integer

‘other code in here...

Select Case number

Case 1 To 5

Range("A1").Value("Between 1 and 5, inclusive")

Case 6, 7, 8

Range("A1").Value("Between 6 and 8, inclusive")

Case 9 To 10

Range("A1").Value("Equal to 9 or 10")

Case Else

Range("A1").Value("Not between 1 and 10, inclusive")

End Select

Source: MSDN

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