The way to tame your numbers and keep it under control is to use a computer spreadsheet, such as MS Excel or Lotus 1-2-3. These give you worksheets – tables with blank cells, or boxes, into which you type information – that collect together into workbooks.
You do not need to be a spreadsheet wizard. It is enough to know how to:
format a cell so that the layout is pleasing;
enter simple formulas that add, multiply or simply repeat other values.
If you can use the facility to draw charts you are in a strong position. If you are not familiar with spreadsheets, you are certain to have a colleague, friend or relative who loves their computer and will be only too pleased to set this up for you, explain the basic principles and guide you ...