Examples of use of exact science
1. Acoustics is a science, but, alas, not an exact science.
2. "It is an absolute nightmare because university entry is not an exact science.
3. Advertisement "This assessment is purely professional, in an area that is far from an exact science.
4. The experts know that measuring inflation is hardly an exact science.
5. I‘m not an expert on pendulums, I‘m just using them to make a point.) Physics is an exact science.