Procedure

1. Select or enter the desired function in the input box provided under "Function f(x)".
2. Enter the start point and end point to define the range of evaluation.
3. Specify the number of evenly spaced points to be considered.
4. Choose the numerical differentiation method from the dropdown menu (Forward Difference, Backward Difference, or Central Difference).
5. Click on the "Simulate" button to run the differentiation process.
6. The table on the right will display the numerical derivative values for each point.
7. View the graphical representation to compare the original function and the numerical derivative visually.
8. Move the cursor on the graph to observe the values at specific data points.