Then overnight they are mortally sick: hospitals, grim-faced doctors, daily injections, complicated calculations in every waking moment and many sleeping ones.

With simple logic, rather than complicated calculations, you should be able to work out the list of numbers.

Readers wrote to condemn not only the amounts, but also the complicated calculations behind the payouts.

The great benefit was that they quickly learnt of the ability of computers to carry out complicated calculations, and they learnt also of something of their limitations.

Magnets are dipoles which require more complicated calculations than monopoles.