Daily Archives: April 5, 2021

I learned about one invention and three inventors this week.  The invention is calculus and the inventors are Christaan Huygens, Anton van Leeuwenhoek, and Isaac Newton.    The only invention is calculus.  Calculus is a type of math.  It impacted history because it helped make calculators and computers possible.   The first inventor is Christaan Huygens. Continue reading “Week 24 Inventions and Inventors”