One set of the math problems involved exact calculations: does 53 plus 68 equal 121 or 127?

That is, a question involving calculation was deemed to be practical only if it involved a real-life situation.

Meeting Wingate alone is a risk, but my work has always involved calculations of risk.

But they are also technical, involving complicated financial calculations.

On the other hand, Choi's original proof involves direct calculation of those operators.

This "inevitably involves calculations, trade-offs, and the playing of cards in various ways."

Finding out whether you could save money by having a meter fitted now involves considerable research and complicated calculations.

The answer can involve complicated calculations of party loyalty, ethnic politics and the city's rapidly changing demographics.

The method involves calculation of the differential shifts of the images.

We will not go into this method in detail because it involves fairly complex calculations using Maxwell's electromagnetic theory.