Version 3.4 is now available:

Play Store link

• Y-Δ Transformation;
• faster insertion of values in the popup dialog;
• standard resistors info in resistor color code;
• possibility to choose the resistor’s serie in voltage divider and 555 calculators;
• ISO connector for car audio;
• Arduino Uno pin-outs;
• bug fix in LM317 calculator;
• Fixed some resources/pinouts;
• bugs fix;
• updated translations, added Ukrainian, Chinese (Taiwan), Tagalog (Filipino), Persian, Arabic, Japanese.

Vers. 3.4.3 is a bugs fix release;