Business Functions Library for Excel

      1. Getting Started
      2. Using The Help File
      3. Top Dozen Functions
      4. Golden Rules
      5. Excel 2007
      1. Go To
      2. Function Selector
      3. CalculateFull
      4. Calculate WorkSheet
      5. Trace Facility
      6. Quick Paste Example
      7. Tutorials
      8. Function Finder
      9. Examples
      10. Help
      11. Excel"s Function Wizard
      12. Access Internet
      13. Usage of Functions (Audit)
      14. Uninstall
      1. Time Periods
      2. Inclusive and Exclusive Dates
      3. Using Daycount
      4. Examples of DayCount
      5. Annual Date Sequences
      6. ProjMode and Inclusive Dates
      7. Date Rolling Convention
      1. Rate Projections Functions Walkthrough
      2. Accruals and Cash
      3. Repeating Formulae
      4. Range Names and References
      5. Optional Parameters
      6. Using PmtsPerYear
      7. Modelling Seasonality
      8. Calculating Interest
      9. Using Business Functions in VBA (Visual Basic for Applications)
      10. Array Functions
      11. Volatility
      12. Annual Equivalent Rates
      13. Array Function
      14. Auto Multi Functions
      15. Variable Plurality
      16. GoalSeek
      1. Introduction To the Worked Examples
      2. Daycount
      3. General Projections
      4. Business Plans
      5. Cashbasis And Periods
      6. Using Timebases
      7. Using Dates
      1. How To Generate a time scale for a structured financing
      2. How To Project Rents off a Rental Forecast
      3. How To Run a model on different time bases
      4. How To Isolate The Cause of a Errors in Cells using Trace
      1. Introduction to the Utilities
      2. Audit
      3. Synchronized Range Insert/Delete
      4. Database Edit
      5. Insert Macro Button
      6. Link Analyser
      7. Range Describer
      8. PrintScript (beta)
      9. Create Local Range Name
      1. Number Formats
      2. Apply BF"s Color Palette
      3. Bullets
      4. Color Cells
      5. Conditional Formats
      1. Validation DropDowms
      2. Validation Standards
      1. Select Excel Function
      2. Array Function Tools
      3. Sort Sheets
      4. Range Value
      5. Named Range Manager
      6. Enforce WorkBook Settings
      7. Monte-Carlo
      8. TimeChart
      1. The ".ini" file
      1. Forum
      2. Online Help
      3. Templates
      1. Conversion of Input Strings to Values
      2. List of Holidays
      3. Acknowledgements and Trademarks
      4. Published Editions Changes in Behaviour
      5. Range Handling And Constraints
      6. Dates in Excel and Business Functions
      7. Old Composite DayCount Format
      8. DayCount in Excels"s Functions
      1. NPV of Annual To Periodic CashFlows - CorrectionM
      2. Interest - Simple, Annual, Continous and Discount Factors
      1. New Functions
      2. Obsolete Functions
      3. Discontinued Functions
      4. Deprecated Functions
    Examples of DayCount
    Examples of DayCount and Periods in Cash and Accruals Mode
    See also: Using Daycount, Calculating Interest

    Accruals Mode

    Here are some examples for functions in accruals mode (ProjMode=0)::

    Loan Interest
    • Quarterly, ACT/365. DayCount: 3 Periods: 4
    • Quarterly, ACT/365, UK National Business Days. DayCount:3 Periods:{4,100}
    • Bespoke Periods, ACT/365, English Business Days . DayCount: 6.03 Periods: {2.22,5.22,8.22,11.22,100}

    Bond Interest
    • Quarterly,30/360 US. DayCount: 1 Periods: -4
    • Quarterly, 30/360 European DayCount:4 Periods:4
    • Bespoke Periods, 30/360 US DayCount: 6.01 Periods: {2.22,5.22,8.22,11.22,200}

    Real Estate

    • Quarterly (US quarter days), ACT/365 for stub periods. DayCount: 63 Periods: omitted or 4
    • Quarterly (US quarter days), ACT/ACT in period for stub periods. DayCount: 6 or 66 Periods: omitted or 4
    • English Quarter Days, ACT/365 for stub periods. DayCount: 6.03 Periods: 13
    • English Quarter Days, ACT/365 for stub periods. DayCount: 6 or 6.06 Periods: 13

    Cash Mode

    Here are some examples for functions in cash mode (ProjMode=1)::

    Loan Interest

    • Quarterly in arrear, ACT/365. DayCount: 3 Periods: -4
    • Quarterly in arrear, ACT/365, UK National Business Days. DayCount:6.03 Periods: {-4,100}
    • Bespoke in arrear, ACT/365, UK National Business Days . DayCount: 6.03 Periods: {-2.22,-5.22,-8.22,-11.22,100}

    Real Estate

    • Quarterly in advance (US quarter days), ACT/365 for stub periods. DayCount: 6.03 Periods: omitted or 4
    • Quarterly in advance (US quarter days), ACT/ACT in period for stub periods. DayCount: 66 Periods: omitted or 4
    • English Quarter Days, ACT/365 for stub periods. DayCount: 6.03 Periods: 13
    • English Quarter Days, ACT/365 for stub periods. DayCount: 6 or 6.06 Periods: 13

    Tip: In your spreadsheets, make use of the DescribeDayCount and DescribePeriods functions to make it obvious even on your printouts what daycount method you are using.

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