- Type over the pre-populated figures. These are just typical numbers included so the tool works in case you forget to add a figure.
- For help, hover your mouse above the cells showing a red mark to get more information.
- A grey triangle will appear when you click on some yellow cells. Click on this triangle and a list of options will be revealed. You’ll need to select the value that matches your situation most closely (these are pre-set options – the calculator won’t work if you try to input something else).
Page last updated: 22/11/19