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Symbol Name Description
Flow Line
(Arrow) It shows the direction in which the process flows.
It is small and is used as a Connector to show a jump from
Connector
(Inspection) one point in the flowchart to another. Connectors are usually
labelled in pairs to show matching jump points.
Rules to Draw Flowcharts
You must follow these basic rules while drawing a flowchart:
The flowchart should be clear, neat and easy to follow.
Maintain the direction of the flow from left to right or top to bottom.
Only one flow line should come out from a process symbol.
Ensure that only one flow line should enter a decision symbol, but two flow lines should leave the
decision symbol.
Example 2: Flowchart to add
Ensure that the flowchart has a logical start and end.
first 100 natural numbers.
Advantages of Flowcharts
Start
Flowcharts provide following advantages:
It provides a better understanding of a problem.
Sum = 0
It facilitates a programmer to analyse the problem in detail.
Let us understand how some simple flowcharts are made.
Example 1: Flowchart to calculate simple interest. N = 0
Start
N = N + 1
Read P for Principal
r for rate Sum = Sum + N
t for time
Is
Calculate N > 100?
No
SI = (P * r * t)/100
Yes
Print SI
Print Sum
Stop
Stop
Flowchart to calculate simple
interest Flowchart to add 100 numbers
90 Plus (Ver. 2.2)-VI

