The booklet is called Diagramma, so mathematical diagrams may also be part of the code.

But his early drawings on paper could resemble mathematical diagrams or chemical charts.

His drawings on paper often resembled mathematical diagrams or chemical charts or scribbled notes.

Dr. Hardy, the Chaplain linguist, drew mathematical diagrams and nothing happened.

The story is that Archimedes was killed while drawing a mathematical diagram in the sand.

According to the popular account given by Plutarch, Archimedes was contemplating a mathematical diagram when the city was captured.

A scatter plot or scattergraph is a type of mathematical diagram using Cartesian coordinates to display values for two variables for a set of data.

The 22-pence issue portrays the planets moving around a sun superimposed on another mathematical diagram.

The name refers to the direction of the current in the devices, the Z-axis on a normal mathematical diagram.

Sometimes the animations echo the characters' thoughts; mathematical diagrams stand in for the teachings of Sarastro and his priests.