Tap the minimum number of fields and enter the minimum value with the keypad. In the same way, enter the maximum value and the number of generations. The unique, non-unique switching of the generated random number is done with the radio button.
You can select integer or floating point and press the Generate button, the generated random number is listed.
With the Share button, you can send the generated result to mail etc.
(The generation of a floating point is up to one tenth)