4.2.2
* Fix: Crash when backing up in read-only locations
v4.2.0:
* New: Sheet "Favorites"
* Fix: Values of "Light sources"
* Mod: Migration to AndroidX
* Add: Page with other apps
* Upd: Russian language (by Murtozakul)
v4.1.4:
Minor bugfix
v4.1.3:
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Daniel Quicoli)
* Upd: Support to Android P
* Mod: Improved landscape layouts
4.1.2
* New: Settings backup
* Add: Selectable result
* Add: Bosnian language (by Ferid)
* Add: Pinterest Profile
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Mod: Removed Firebase Invites
4.1.0
* New: Print support
* Fix: Some layouts RTL
* Fix: ViewPager
* Fix: Crash in Kruithof curve
* Mod: Removed support for serial number
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Valria)
* Upd: German language (by Andreas)
v4.0.0:
* New: General reorganization of the calculations
* Upd: Updated some languages
* Fix: Minor bugfix
v3.0.0
* New: Quantity of luminaires
* New: Kelvin to RGB
* New: RGB/HEX conversion
* New: RGB/CMYK conversion
* Add: Conversion lumen/lux with angle and height
* Add: Preliminary compatibility with Chromebook
* Add: Notification of updates
* Upd languages: Simplified Chinese (T.Hongpeng), Arabic (zawazaid and A.Qaissia), Magyar (S.Marosi), Portuguese [PT] (L.Sousa), Persian (S.Asadbeygi), Russian (GudWin), Czech (Skipy), Polish (A.Stiller), Greek (T.Pergantis), Romanian (S.Ionescu)
v2.2.1 (22/05/2016)
* Add: Search bar
* Add: Romanian language (by Silvian Ionescu)
* Upd: Portuguese [BR] language (by Matheusiin Villela)
* Mod: Luxmeter calibration up to 300%
* Fix: Input lux into the "Calculation of total flux" now accept decimal numbers
* Fix: Update of utilization coefficient
* Fix: MultiprocessPreferences bug
* Fix: Bug 8bit request code
v2.2.0
* New: Luminance converter
* New: Illuminance converter
* New: SMD led
* New: Material design also for older devices
* Add: Foot-Lambert and Nox into "Unit of measurement"
* Add: Formulary icon into action bar
* New: Buttons layout
* Fix: Feet bug into Luminance on the floor
* Fix: Distinction between GU10 and GZ10
* Add: Portuguese-BR (Fraga J)
* Upd: Portuguese-PT (L.Sousa), Vietnamese (N.Duy Trung), Czech (Skipy), Polish (A.Stiller), Greek (T.Pergantis), Bulgarian (Yassine)
v2.1.0
* New: Bulb shapes
* New: Unit of measurement
* New: Visible spectrum
* Upd: Turkish language (by Bekir Aydogdu)
* Upd: Polish language (by Adi Stiller)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Czech language (by Skipy)
* Upd: Russian language (by GudWin)
* Upd: Updated Arabic language (by Abdusalam Qaissia)
* Upd: New table layouts
* Fix: Compatibility with Android 6.0
v2.0.0:
* New: Illuminance on the floor
* New: Energy saving lamp
* New: Formulary
* New: Symbols
* Mod: Color temperature is now free
* Add: Splash screen
* Fix: Improved some layouts
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Vietnamese language (by Nguyn Duy Trung)
* Upd: Turkish language (by Bekir Aydogdu)
* Upd: New license check of the Pro Key
v1.1.10:
* Add: Added Czech language (by Skipy)
v1.1.9:
* Add: Added Lithuanian language (by Martynas Patinskas)
* Add: Added Simplified Chinese partial language (by Min Li Lim)
* Upd: Updated Arabic language (by Abdusalam Qaissia)
* Upd: Updated Turkish language (by Bekir Aydogdu)
* Imp: Improved some layout
v1.1.8:
* Add: Added & Update Vietnamese language (by Nguyn Duy Trung)
v1.1.7:
* Add: Ability to sort calculations
* Add: Added Persian language (by Behnam Lashgari TJ.)
* Add: Added Croatian language (by Goran Arabadi)
* New: Material Design Theme for Android 5.0
1.16
* Новое: Блок питания для светодиодной ленты (New: Power supply for strip led)
* Исправлены некоторые значения освещенности (Fix: Fixed some illumination values)
* Добавлен болгарский язык (Христо Ганчев) (Add: Added Bulgarian language (by Hristo Ganchev))
* Добавлен польский язык (drzordz) (Add: Added Polish language (by drzordz))
* Обновлен португальский язык (Леандро Соуза) (Upd: Updated Portuguese [PT] language (by Leandro Sousa))
* Обновлен русский язык (Djek.Energetik) (Upd: Updated Russian language (by Djek.Energetik))
* Добавлена справка (Add: Faq)