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08  Spreadsheet, databases

Spreadsheets

Mathematic operations

SymbolMeaning
+ plus
- minus
* multiplied by, times
/ divided by
= equals, is equal to
: to
% per cent

Spreadsheets have many built-in functions that can be carried out by referring to the function by name. For example, =SUM(A1:A5) means: add up the values in the cell range A1 to A5.


The format menu lets you choose font, alignment, borders, column width, etc.


Most spreadsheets programs can also generate graphics representations, such as line graphs, bar charts, pie charts, etc.


Typical applications of spreadsheets:

  • Calculating and managing accounts and other financial information
  • Performing calculations on data collected in experiments and surveys
  • Producing data from which graphs can be drawn
  • Income and expenditure
  • Sales forecasting
  • Staff hours, rates to pay and tax
  • Mortgage payments and interest rates
  • Number statistics


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