A useful application that allows you to execute: - Voltage divider calculator. - Calculate the equivalent resistor for a number of parallel resistors. - First order rc filter calculator. - Ohm's Law with simple calculator. For each calculation you can save the result in pdf in your external storage of your mobile device. ============= Important notice To view files saved in your Phone file system I suggest you use the Files by Google application. Unfortunately, the native file systems of some smartphones limit the complete display of folders and files Thanks for your patience =============