DEFINITION of 'Actuarial Science '. A discipline that assesses financial risks in the insurance and finance fields using mathematical and statistical methods. Actuarial science applies the mathematics of probability and statistics to define, analyze and solve the financial implications of uncertain future events. Traditional actuarial science largely revolves around the analysis of mortality and the production of life tables, and the application of compound interest. Next Up.
The result is a smaller difference between high and low tides and is known as a neap tide. Neap tides are especially weak tides. They occur when the gravitational forces of the Moon and the Sun are perpendicular to one another (with respect to the Earth). Neap tides occur during quarter moons.
8 Lacoste-Romberg GravimeterDrift Correction Fig. 20.3 Ocean tides are the result of the gravitational attraction of the moon and sun on the ocean. The tides formed by the moon are the lunar tides, and those formed by the sun are the solar tides. 9 Earth Tide CorrectionDrift and Tide CorrectionsRepeat Measurements.