An early application of these new theoretical tools was in phonographic sound reproduction.

In this way, all the theoretical tools of electrical analysis and filter design can be brought to bear on the mechanical design.

This makes them useful as a theoretical tool for modeling food webs.

This course of study provides the officer with the theoretical tools to enable him or her to evaluate doctrine and strategy.

These academics brought different theoretical tools and political perspectives into business schools.

When the phenomena were discovered, early in the 20th century, the theoretical tools for making sense of them were unavailable.

Computer modeling of the Sun is also used as a theoretical tool to investigate its deeper layers.

It is a theoretical tool used to assist in finding the optimal location for industry.

This created a legacy beyond his publication record, and encouraged a sense of community for those who worked on building up the theoretical tools.

So far a range of useful theoretical tools and several plausible explanations have been presented, but no one solution is generally accepted by economists.