ResistorCAL is an Android application developed by nakhon phagdeechat. As the name suggests, it is designed to calculate resistance with ease. The program offers support for the resistance calculation of 4-Band and 5-Band color code. In addition, it can calculate the total resistance of parallel resistors in the circuit 2, 3, and 4. It also supports calculated voltage from voltage divider circuit.

The program is ideal for students, engineers, and anyone who needs to calculate resistance quickly and accurately. With its user-friendly interface, ResistorCAL makes it easy to identify resistance bands and calculate the basic total resistance. The program is free to use, making it accessible to anyone who needs it.

Overall, ResistorCAL is a must-have for anyone who needs to calculate resistance regularly. Its features and ease of use make it a top choice for engineers and students alike.