Independent iPhone’s app developer emirBytes today announces iTronixPal – Electronics Box 2.3 for iOS devices. The app was created for electronics enthusiasts, students, engineers, designers, and hobbyists. It features 5 special tools and 15 circuit calculators. Version 2.3 includes support for iOS4 multitasking and user customization. A custom keypad has been added to make it easy for users to key in numbers. Users can also now customize the active fonts colors to their preference.