1. For Windows or Linux - Press Ctrl+D
2. For MacOS - Press Cmd+D
3. For iPhone (Safari) - Touch and hold, then tap Add Bookmark
4. For Google Chrome - Press 3 dots on top right, then press the star sign
Enter your derivative problem in the input field.
Press Enter on the keyboard or on the arrow to the right of the input field.
In the pop-up window, select “Find the Second Derivative”. You can also use the search.
The second derivative is the derivative of the derivative of a function, when it is defined. It makes it possible to measure changes in the rates of change. For example, the second derivative of the displacement is the variation of the speed (rate of variation of the displacement), namely the acceleration.