Cat Age converts the age of any cat into the corresponding human age and vice versa. To do this sophisticated calculation Cat Age utilizes the four-stage complex cat age formula developed by Prof. Jacques Gérard: the first cat year counts for 15 human years, the second cat year counts for nine, the cat years 3 to 15 count for four human years each, while the cat years above 15 count for two human years each only. This formula leads to results that make much more sense than those of the classic formula "one cat year equals seven human years". The settings dials are limited to somewhat realistic age values. The world's oldest cat ever (tabbycat "Puss") was 36 years old, the oldest person on earth (Johanna Booyson) died at the age of 122 years and 5 months. My cat Oxido is sweet 17, which means in fact he is 78...