Leo is a genius. His pet cat named Pallas is not! But together they come up with some brilliant inventions based on math shapes. And all this - more than 30,000 years ago! Squares covers the essentials of this geometrical shape, its functions and applications.
Leo is a genius. His pet cat named Pallas is not! But together they come up with some brilliant inventions based on math shapes. And all this - more than 30,000 years ago! Lines covers the essentials of this geometrical shape, its functions and applications.
Leo is a genius. His pet cat named Pallas is not! But together they come up with some brilliant inventions based on math shapes. And all this - more than 30,000 years ago! Squares covers the essentials of this geometrical shape, its functions and applications.
Leo is a genius. His pet cat named Pallas is not! But together they come up with some brilliant inventions based on math shapes. And all this - more than 30,000 years ago! Cubes covers the essentials of this geometrical shape, its functions and applications.
Leo is a genius. His pet cat named Pallas is not! But together they come up with some brilliant inventions based on math shapes. And all this - more than 30,000 years ago! Circles covers the essentials of this geometrical shape, its functions and applications.
Provides the history of American coins and bills and shows how they have changed over time.
Explores economics and provides real world examples and applications.
Explores how different money is used in different parts of the world.
Take an in depth look at mathematics in this science encyclopedia.
