1. Business Planning using Spreasheets-4 1 In-Built Functions-1  Open Office Calc, Excel and other spreadsheets contain 100s of in-built functions which you can use in formulas or in your spreadsheet calculations.  Functions are used in formulas, either alone or in combination with other functions to calculate values for the cell, e.g:  Simple functions, e.g. =SUM(B2:B16)  Complex functions, e.g. charts

2. Business Planning using Spreasheets-4 2 In-Built Functions-2  Functions are made up of a function name, e.g. SUM, followed by the function’s argument enclosed in parentheses, e.g:  =Round(B2*C2+SUM(D2:G2),0)  =IF(B2>C2,B2*3,C2*5)  The arguments in most functions are the values in other cells but they can include other types of data, such as numbers, text and even other functions.

3. Business Planning using Spreasheets-4 3 OO’s In-Built Functions-3  Database Functions  Date and Time Functions  FINANCIAL FUNCTIONS*  Information Functions  LOGICAL FUNCTIONS*  Lookup Functions  MATHEMATICAL FUNCTIONS*  STATISTICAL FUNCTIONS*  Text Functions  Trigonometric Functions

4. Business Planning using Spreasheets-4 4 Inserting A Function-1  Select the cell where you want the function to be inserted, then either:  Click on the INSERT FUNCTION BUTTON on the Standard Toolbar, or  Select the INSERT/FUNCTION COMMAND on the Main Menu to bring up the Paste Function Dialog box.  Finally select the function category and the function you require…

5. Business Planning using Spreasheets-4 5 Inserting A Function-2

6. Business Planning using Spreasheets-4 6 Mathematical and Statistical Functions  HO-12  ROUND, ROUNDUP/DOWN  AVERAGE  MAX, MIN  COUNT

7. Business Planning using Spreasheets-4 7 Financial Functions  HO-13, 14, 15 – Financial Functions  LOAN ANALYSIS  AMORTISATION  Uses PMT function  PMT = PPMT + IPMT  Payment = Principal + Interest

8. Business Planning using Spreasheets-4 8 Statistical Functions  HO-16: Trend and Growth Functions  Sales Forecasting  Trend = Linear Growth  Growth = Exponential Growth