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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 box.
Ensure that the flowchart has a logical start and end.
Advantages of Flowcharts
Flowcharts provide following advantages:
It provides a better understanding of a problem.
It facilitates a programmer to analyse the problem in detail.
Let us understand how some simple flowcharts are made.
Example 1: Flowchart to Example 2: Flowchart to check whether the number
calculate simple interest. is positive or negative.
Start
Start
Input num
Read P for Principal
r for rate
t for time
True NUM < 0 False
?
Calculate
SI = (P * r * t)/100
The number The number is
is negative zero or positive
Print SI
Stop
Flowchart to calculate simple Stop
interest
Flowchart to check number is positive or negative
84 Premium Edition-VI

