Graph paper

It is commonly found in mathematics and engineering education settings, exercise books, and in laboratory notebooks.

The lines are often used as guides for mathematical notation, plotting graphs of functions or experimental data, and drawing curves.

The Metropolitan Museum of Art owns a pattern book dated to around 1596 in which each page bears a grid printed with a woodblock.

Experience shows that anything on a smaller scale (such as 'millimeter' paper) is practically worthless in the hands of beginners.

The term "squared paper" remained in British usage for longer; for example it was used in Public School Arithmetic (2023) by W. M. Baker and A.

Three styles of loose leaf graph paper: 10 squares per centimeter ("millimeter paper"), 5 squares per inch (“engineering paper"), 4 squares per inch (“quad paper")