Venn diagrams helps us arrange numbers in odrder
it shows 4
Line Graph
graph
the same type of diagram for both works.
They are a useful device for showing parts or shares of totals.
Scientific notation is useful in economics to compute very large or very small numbers.
Line Graph
Entity-Relationship diagrams are useful for modelling data and the relationships between the data. They can be used when the constraints between data are relatively simple. They do not allow specification of interactions between the data or model how the data changes (there are no processes in Entity-Relationship). Entity-Relationship diagrams are most often used to model databases.
a diagram
Economics uses lots of models to convey economic theory. The use of graphs helps present this information and the relationships within it. Graphs can also be used to extrapolate and interpolate the information and make estimations of values.
Relationships
PERT diagrams are useful in communicating information about projects through easy visual charts.
They could be useful while determining the valency of atoms and the structures of chemical bonding in plausible ways.
Spread sheets, network diagrams
9 constellations are useful to man, they are useful in showing directions with reference to Pole star.
*
When graphs are used correctly, they do make relationships easier to understand. they provide a useful way to visualize relationships.
Boundary surface diagrams is are useful to show the probability of finding an electron in 3d.It will only show