One strength is that the unique flag-pool design formed of 6 different function is suitable for real life applications of mathematics + met the surface area as requirements and ratios. As proven in manual calculations the calculation was done beforehand, did not just directly type value, each function has its own purpose to form flag shape. It is a unique pool variety functions for specific backyard that can be considered as extra features in houses; make factors.
rate this out of 10 and give me 10/10 version