Liner chart

A graph which is expressed the currency in the form of a line each point represents the closing price of the currency for each time period.
As you can see in Figure (1)

Form (1)
This is the chart of the euro against the dollar and the time frame is the time.
You should know how much the price of the euro against the dollar at the end of each hour (closing price) by looking at the chart and also read any normal graph.
As you can see, the price of the euro was continuing to rise an hour and behind.
As in Figure (2)

Form (2)
See chart for the price of the euro against the dollar and the time frame it is today.
As you can see, the price of the euro was in decline and until the date of 30/7 and then turned to rise.
 The linear graph method is less commonly used types of graphs accounting for the other two types the most attention traffickers because the other two give an greater and sharper and clearer information for stores.
In fact, does not use this type of graphs only slightly and for the purpose of disclosure forms patterns as the forms appear more clearly this type of graphs.