Custom Function Pseudocode with Flowchart and Description

Using Pseudocode, create your own function that accepts one input parameter and returns a float number. You decide the theme. You should provide the pseudocode and an example call. Be sure to provide an overview of what your function is doing. Also, Include a flow chart and well detailed program descripition.

Overview

Let’s design a function named calculateCircleArea(radius) that accepts the radius of a circle as input and returns the area as a float. This function demonstrates how to use mathematical formulas in a function and how input/output flows in a simple process.

Program Description

This program defines a function to calculate the area of a circle given its radius. The formula for the area is:

$\text{Area} = \pi \times (\text{radius})^2$

The function takes a single numeric input (radius), computes the area using the mathematical constant π (approximately 3.14159), and returns the result as a float. This kind of function is useful in geometry, engineering, and many everyday calculations.

Pseudocode


Function calculateCircleArea(radius)
    Set pi = 3.14159
    Set area = pi * radius * radius
    Return area
End Function

// Example call:
Set result = calculateCircleArea(5.0)
// result will be 78.53975

Example Call


result = calculateCircleArea(5.0)
Display "Area of circle with radius 5.0 is: " + result

Flowchart

Below is a simple textual representation of the flowchart:



+----------------------------+
|  Start                     |
+----------------------------+
           |
           v
+----------------------------+
|  Input radius              |
+----------------------------+
           |
           v
+----------------------------+
|  Set pi = 3.14159          |
+----------------------------+
           |
           v
+----------------------------+
|  Compute area = pi * radius^2 |
+----------------------------+
           |
           v
+----------------------------+
|  Return area               |
+----------------------------+
           |
           v
+----------------------------+
|  End                       |
+----------------------------+

Summary

Function Name: calculateCircleArea
Input: radius (float)
Output: Area of circle (float)
Purpose: To return the area of a circle for any given radius

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