v7.3.2:
* Add: Inch to "Current carrying capacity of busbar"
* Add: ft·lbf and in·lbf to "Maximum torque"

v7.3.1:
* Fix: Calculation of power factor of motor and voltage of motor
* Fix: Standard resistance button
* Imp: Motor section form

v7.3.0:
* New: Current carrying capacity of busbar
* New: Calculation of the cable temperature
* New: Trigonometric functions
* New: Standard resistor values
* New: Dimensions and weight of cables
* New: Inductor code
* New: Admissible let-through energy of the cable (KS)
* New: Power losses in cables
* New: C-Form Sockets (IEC 309)
* New: Nema connectors
* New: Atex marking
* New: Insulation class of the motor
* New: SWG table
* New: VAr / µF conversion
and more...

7.2.4
* New: Settings backup
* Add: "DOD" in Ah/kWh Conversion
* Add: kg/cm in Pressure Conversion
* Add: Button to search the standard resistance in some calculations
* Add: Selectable result
* Mod: Improved landscape layouts
* Add: Pinterest Profile
* Upd: Portuguese [PT], Indonesian, Macedonian, Persian, Bosnian, Russian, Bulgarian languages
* Fix: Topic subscription Exception
* Mod: Removed Firebase Invites

v7.2.3:
* Add: "in lbf" in Torque conversion
* Add: MVA in "Calculation of current"
* Upd: German language (by Andreas)
* Upd: Ukrainian language (by Igor)
* Upd: Czech language (by Skipy)
* Upd: Bosnian language (by Ferid)

v7.2.0:
* Add: Support for 16 and 18 awg
* Fix: Nec Calculations and Thermocouples not PRO
* Upd: Czech language (by Skipy)
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Spanish language (by Lautaro Dalibon)
* Upd: Arabic language (by Akram gashan)

v7.0.3:
* Fix: Crash in "Fuse" section
* Upd: Russian language (by Murtozakul)
* Upd: Slovienian language (by Davorin Caf)

v7.0.2:
* Mod: Improved "Conduit fill" IEC
* Fix: Crash "Retma Spinner" with RTL languages
* Fix: Some layouts RTL
* Fix: ViewPager
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Ukrainian language (by Andrey Kosenko)
* Upd: Danish language (by Esben Dahl)
* Upd: German language (by Alex)

v7.0.1:
* Imp: Added kW to "Motor full-load current"
* Fix: Crash wire size with installation type D2
* Fix: Ads runnable bug
* Fix: Minor bugfix
* Upd: Persian language (by H.Lael Bahador)
* Upd: Vietnamese language (by N.Duy Trung)
* Upd: Russian language (by Murtozakul)
* Upd: Simplified Chinese language (by T.Hongpeng)
* Upd: Macedonian language (by D.Velkov)
* Upd: Bulgarian language (by I.Radev)
* Upd: German language (by Andreas)
* Fix: Removed wrong Tamil language

v7.0.0
* New: General reorganization of the calculations
* New: Motor slip
* New: Motor full-load current
* Imp: Improved calculations with resistor color code
* Mod: "Pipes dimensions" is available in the Resources tab
* Mod: cm-inch conversion is included in the Length conversion
* Mod: kW-HP and kW-BTU/h were merged into Power conversion
* Add: Ampacity of cables smaller than 25mm for the installation method G
* Add: mmH2O to pressure conversion
* Upd: languages

v6.4.0:
* New: ANSI standard device numbers
* New: Analog signal values
* Imp: Voltage drop calculation
* Add: Settings: max wire size
* Imp: Impedance calculation
* Mod: Primary/Secondary winding of transformer is available in the free version
* Upd: Vietnamese, Arabic, German, Macedonian language
* Fix: Bug operating current
* Fix: Check update
* Fix: Country identification

v6.3.6:
* Upd: Resolutions
* Fix: Ads bug with Android Oreo
* Fix: Calculation of NTC temperature
* Fix: Image of the motor terminal board
* Upd: Polish language (by Marcin Antas)

v6.3.5:
* Fix: Crash "Sizing the circuit breaker NEC" in landscape mode
* Fix: Crash "Translator Tool" with portuguese language
* Upd: Macedonian language (by Dragano Velkov)
* Upd: Czech language (by Skipy)
* Upd: Bulgarian language (by Ivan Radev)
* Upd: Ukrainian language (by Andrey Kosenko)
* Upd: German language (by Andreas)

v6.3.4:
* New: Current carrying capacity of bare conductors
* Add: Noncontinuous loads in "Sizing the circuit breaker NEC"
* Upd: Portuguese [BR] language (by Junior Messias)
* Mod: Macedonian (Cyrillic) language (by Dragano Velkov)
* Fix: Voltage in Brazil
* Fix: Appirater

v6.3.3:
* Add: Macedonian language (by Dragano Velkov)
* Upd: Czech language (by Skipy)
* Upd: Vietnamese language (by TuanNguyen, Tun Phng and Nguyn Duy Trung)
* Upd: Persian language (by Jamal Moghadami)
* Fix: Code capacitor chart
* Fix: Section conversion in the free version
* Fix: Translator Tool bug with persian language
* Fix: Notifications with Android Oreo

v6.3.2:
* Fix: Bug in search mode
* Fix: Open/share files
* Upd: Slovenian language (by Davorin Caf)
* Upd: French language (by Yves Tschantz)
* Upd: Polish language (by Yasioo)
* Upd: Russian language (by Murtozakul)
* Upd: Spanish language (by ngel Tepetla and GavilanZ)
* Upd: Bulgarian language (by Ivan Radev)
* Upd: Persian language (by Amin Norozi)

v6.3.1:
* New: Translator Tool
* New: Splash screen
* Add: LinkedIn profile
* Upd: Russian language (by Leonid Tsvetinovich)
* Upd: Czech language (by Skipy)

v6.3.0:
* New: Temperature sensors (PT/NI/CU, NTC, Thermocouples…)
* Mod: Thermocouple colour codes and data
* Mod: Some calculations are also available in the FREE version
* Upd: Portuguese language (by Leandro Sousa)
* Upd: German language (by Andreas)
* Upd: Padding of icon
* Fix: Temperature now accepts negative values
* Fix: Philippines three-phase voltage
* Fix: Static AsyncTask

v6.2.1
* Add: Installation type D2
* Add: Wire size with sizing neutral and PE (IEC)
* Add: Choosing sizing method for neutral and PE in settings
* Upd: German language (by Andreas)
* Upd: Ukrainian language (by Roman Korzh)
* Upd: Czech language (by Skipy)
* Upd: Portuguese language (by Leandro Sousa)
* Upd: Nepali language (by Sagar Acharya)
* Fix: Current carrying capacity for B1 method
* Fix: Bug last stripe (PPM)
* Fix: Workaround for bug 19917
* Fix: Bug "IllegalArgumentException" in the request state of ProKey
* Fix: Amazon App Store (uk.amazon.mShop.android) not recognized

Простой и удобный. Для домашних расчётов.