Financial Functions

Financial Functions



Spreadsheets take the hard work out of calculations, but you still need to know how to do them. Financial Functions with a spreadsheet is all about understanding and reasoning, using a spreadsheet to do the actual calculation.

  1. Understanding Percentages
    Percentages are something familiar to us all - but they present many pitfalls that need to be avoided.

  2. Interest Simple and Compound
    We explore the idea of borrowing money for a specified rate of interest or earning interest on an investment. The ideas of Present and Future Value PV and FV are introduced. 

  3. Effective Interest Rates
    We explore the idea of the `effective’ annual interest rate and then on to the Effective Interest Rate/Annual Percentage Rate, the much quoted EIR or APR.

  4. Introduction to Cashflow - Savings Plans
    In the first of three chapters covering the way in which interest rate affects cashflow we explore savings - but first we introduce some general ideas that apply equally to annuities and repayment loans.

  5. Cashflow Continued - Annuities
    We move on to annuities in the second of three chapters devoted to exploring the way in which interest rate affects 

  6. Exploring Repayment Loans
    Repayment loans are the subject of the last of three chapters which look at the effects of regular cashflows.

  7. Present and Future Values
    The principles of present and future value apply even if the cash flow is irregular. The calculations are just a matter of breaking down the cash flow calculations into simple steps.

  8. Investment analysis
    How is it possible to evaluate investments that generate irregular cashflows? We explore how NPV can be used to make investment decisions.

  9. IRR The Internal Rate of Return
    The IRR is perhaps the most complicated of the measures of the value of an investment with an irregular cash flow. Understanding exactly what it means is a good step toward making correct use of it. 


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