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Rules for Drawing 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 of a process symbol.
Ensure that only one flow line enters a decision symbol but two flow lines leave the decision box.
Ensure that the flowchart has a logical start and end.
Advantages of Flowcharts
Flowcharts provide the following advantages:
Better understanding of a problem
Facilitates a programmer to analyse the problem in detail
Let us understand how some simple flowcharts are made
Example 1: Flowchart to drink a glass of cold Example 2: Flowchart to calculate simple
water. interest.
Start Start
Go to the kitchen
Read Principal as P
Rate as R
Take a clean glass Time as T
Take out a water bottle from the refrigerator
SI = (P * R * T)/100)
Pour water into the glass
Drink the water
Print SI
Clean the glass
Stop
Fill the bottle and keep it back in
the refrigerator
Stop
42 iPRIME (Ver. 2.2)–VIII

