Curated OER
Tidal Forces-Let'er Rip!
In this tidal forces worksheet, students read about the gravitational pull from the moon that causes the ocean tides. Students solve 3 problems including finding the Roche or the tidal radius for the Earth and Moon, comparing the Roche...
Wolfram Research
Wolfram Math World: Hyperbolic Functions
This site from MathWorld explains the hyperbolic function. The information is not too in-depth, but factual and quite a few links are provided for additional information on related subjects.