When two quantities are in direct proportion, as one increases the other does too. We can display this relationship in a graph. Two quantities that are in direct proportion will always produce a ...

Proportional symbols can be added to graphs to show information about different places. The graph below plots life expectancy against income for each country. It also shows population size. Each ...

Table graphs are great ways to store and display data, but who would have thought that Illustrator could be used to make table graphs? Illustrator is a versatile vector graphic software from Adobe.