1. Type in the number you want to be multiplying/dividing by a power of 10 by in the 'Number' box provided.[br]2. Select the calculation you want to be performing by ticking the appropriate box on the left hand side.[br]3. Use the slider to move the red digits the appropriate number of places.[br]4. Fill in any zeros where needed by click on the small black arrow in the relevant column.[br]5. Click the 'Re-set' button to move return the values to zero.[br]6. Click the 'Hide pv grid' button if you wish to removed some of the structuring.