Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

A Classics student is trying to reconstruct the history of geometrical and mathematical diagrams by examining copies and translations of Elements, the ancient work of Greek mathematician Euclid.

A scientist has revealed that an ancient clay tablet could be the oldest and most complete example of applied geometry. The surveyor's field plan from the Old Babylon period shows that ancient ...

Humans have been drawing lines and circles to grasp geometrical concepts and describe the laws of nature for about 5,000 years. But most scholars have approached the history of ancient mathematical ...

“With this new tablet, we can actually see for the first time why they were interested in geometry: to lay down precise land boundaries,” says researcher Daniel Mansfield. UNSW Sydney Markings on a ...

' Immersive Math ' is a free textbook site that makes linear algebra, a field of mathematics that studies calculations such as vectors and matrices, easier to understand by providing interactive ...

Whether you are sketching graphs in mathematics, understanding directions in geography, or reading blueprints in design class, horizontal and vertical lines are concepts you cannot avoid. They form ...