# Algorithm Factorial and Fibonacci series

## Factorial

**Q) Write an algorithm and draw the flowchart to calculate the factorial of a number.**

**Algorithm Factorial**

- This is a flowchart to calculate the factorial of the given number.
- n-Accepted number
- fact-Factorial of number
- i - loop variable,

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step 1: Start

step 2: [Accepte a number] read n

step 3: set i=1, fact-1

step 4: Repeat steps 5 and 6 until i <= n

step 5: [calcute factorial] set fact=fact*i

step 6: set i=i+1

step 7: [ display factorial ] print fact

step 8: Stop

## Fibonacci series

**Write an algorithm and draw the flowchart to display Fibonacci series for n terms**

### Algorithm Fibonacci

- This is the flowchart to display Fibonacci series for n terms
- n-Accepted number
- i-loop variable
- f1,f2,f3,- variable to manage Fibonacci series

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step 1: Start

step 2: [Accept a number of terms] read n

step 3: set i=1, f2=0,f3=1,

step 4: Repeat steps 5,6 and7until i<=n

step 5: [Display terms in series] print f3

step 6: set f1=f2, f2=f3, f3=f1+f3

step 7: seti=i+1

step 8: Stop

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