Little has changed in the last six years to change a simple calculation.

It seemed necessary to be able to do simple calculations.

A simple calculation gives the correct value of the field at the center point.

Her son made a simple calculation in his mind.

I started to calculate, making many mistakes although it should have been a simple calculation.

But most of it is the result of simple calculation.

It is so bad that he still uses fingers for simple calculations.

They're simple calculations, but you have to make millions of them per second.

A few simple calculations, that was all it would have taken.

These simple calculations, repeated for every time period in question, quickly can predict the development of complex systems.