Особенности:

Расчет сечения провода
Расчет падения напряжения
Расчет силы тока
Расчет напряжения
Расчет активной мощности
Расчет полной мощности [PRO]
Расчет реактивной мощности [PRO]
Расчет сопротивления
4-х цветное кодирование резисторов
6-ти цветное кодирование резисторов [PRO]
Цветовой код индуктивности [PRO]
Цветовое значение резисторов
Коды SMD резисторов [PRO]
Предохранители [PRO]
Соединение резисторов
Соединение конденсаторов [PRO]
Реактивное сопротивление [PRO]
Резонансная частота [PRO]
Делитель напряжения [PRO]
Стабилитрон как стабилизатор напряжения [PRO]
Гасящий резистор
Резистор для светодиода
Компенсация реактивной мощности [PRO]
Компенсация реактивной мощности малых нагрузок [PRO]
Компенсации реактивной мощности трансформатора СН/НН [PRO]
Срок службы батареи [PRO]
Первичная/Вторичная обмотка трансформатора
Ток короткого замыкания [PRO]
Нагрузочная способность кабеля IEC [PRO]
Нагрузочная способность кабеля NEC [PRO]
Сопротивление проводника [PRO]
Таблица удельного сопротивления [PRO]
Классы защиты IP
Длина антенны [PRO]
Электрические символы [PRO]
Электричество во всем мире
Эффект Джоуля [PRO]
Цветовая кодировка проводов
Приставки СИ
Единица измерения
Ток повреждения цепей [PRO]
Расчет конденсатора
Расчет скорости вращения двигателя [PRO]
КПД двигателя [PRO]
Максимальный крутящий момент [PRO]
Схема трехфазного эл.двигателя
Преобразование -Y [PRO]
Преобразование л.с./кВт
AWG/мм
Преобразование сечения
Преобразование см/дюйм
Преобразование длинны [PRO]
Преобразование напряжения (Амплитуда) [PRO]
Преобразование sin/cos/tg/ [PRO]
Преобразование энергии [PRO]
Преобразование температуры [PRO]
Преобразование давления [PRO]
Преобразование А*ч/кВт*ч [PRO]
Преобразование Гаусс/Тесла [PRO]
Преобразование RPM (об/мин) - рад/с - м/с [PRO]
Кабели Ethernet (RJ-45) [PRO]
RJ-11,14,25,48 [PRO]
Распиновка Scart [PRO]
Распиновка USB [PRO]
Распиновка HDMI [PRO]
Распиновка VGA [PRO]
Распиновка DVI [PRO]
Распиновка RS-232 [PRO]
Распиновка разъемов Молекс [PRO]
Распиновка Sata [PRO]
Распиновка Raspberry PI [PRO]
Распиновка ISO 10487 (Автомобильное аудио) [PRO]
Распиновка XLR (Аудио/DMX) [PRO]

Изменения в версиях:

v5.2.0:
* Imp: Short circuit current with transformer substation
* Imp: Power factor correction
* Mod: Calculations "Power factor correction" and "Power factor correction small loads" have been merged
* Add: Number of neutral conductors in parallel in the short-circuit current calculation
* Add: Choice in radians or degrees in "Calculation of reactive power"
* Add: kVA and kVAr to "Calculation of power factor"
* Upd: Dutch language (by F.Espitia)
* Upd: Vietnamese language (by N.Duy Trung)
v5.1.5:
* Add: Preliminary compatibility with Android N
* Fix: String 150 mm into the "Table of unitary voltage drop"
* Fix: Unit of measurement of the resistivity *m/mm
* Fix: Entering the maximum drop after the choice of installation type
* Fix: Alignment of spinner dropdown into the RTL languages
* Mod: Load current must be less than 7% of the maximum cable capacity
* Upd languages: Arabic (I.Proshel), Vietnamese (N.Duy Trung), Portuguese [PT] (L.Sousa), Persian (S.Asadbeygi)
v5.1.4:
* Add: Choice unipolar/multipolar cable into the "Conductor resistance"
* Add: Choice operating temperature into the "Calculation of voltage drop"
* Mod: Choice up to 8 phase conductors in parallel
* Imp: Improved some layouts landscape
* Imp: Edited some pictures of the sockets
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Turkish language (by Bekir Aydogdu)
* Fix: Crash of "Conversion awg/mm"
v5.1.3 (17/05/2016):
* Add: Choice unipolar/multipolar cable into the "Calculation of voltage drop", "Max wire length" and "Short-circuit current"
* Add: Number of phase conductors in parellel into the "Calculation of voltage drop" and "Short-circuit current"
* Add: Formula for choice wire size
* New: Layout for tables of results
* Fix: Visualization of the formula into "Sizing the circuit breaker" NEC
* Fix: Bug 8bit request code
* Imp: Improved notification for the insertion of incorrect values
* Add: Danish language (by Esben Dahl)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Romanian language (by Silvian Ionescu)
* Upd: Traditional Chinese language (by Siu Wing Chung)
* Upd: Greek language (by Andrea Agates)
v5.1.1:
* New: Material design also for older devices
* Add: Search bar
* Add: Improved "Sum resistors" with , k, M
* Add: Improved "Sum capacitors" with pF, nF, µF
* Add: Socket type F to Guinea Bissau
* Add: Socket type C and F to Western Sahara
* Fix: Formula tan = Q/P
* Upd language: Russian (GudWin), Persian (Z.Chianeh), Catalan (Yassine), Bulgarian (T.Azzehni), German (C.Ruffino), Portuguese [PT] (L.Sousa), Norwegian (M.Villela)
v5.1.0:
New: Sizing the circuit breaker
New: Calculation of power factor
New: Max wire length
New: Appliance classes
New: Plug & socket types
New: IEC 60320 connectors
New: Buttons layout
Add: Formulary icon into action bar
Upd: Czech language (by Skipy)
Upd: Polish language (by K.Szuba)
Upd: Croatian language (by P.Razovi)
Upd: Portuguese [PT] language (by L.Sousa)
Upd: Portuguese [BR] language (by M.Carvalho)
Upd: Serbian language (by M.Stevanovi)
Upd: Turkish language (by B.Aydogdu)
v5.0.3.1:
* Fix: Compatibility with Android 6.0
v5.0.3:
* Add: Pinout PCI Express power cable (into Molex section)
* Add: Formula voltage drop DC
* Upd: Serbian language (by Milo Stevanovi)
* Upd: Slovenian language (by Toma Dobrila)
* Upd: Romanian language (by Cristi Duta)
* Upd: Portuguese-BR language (by Julio Cesar Stempkowski)
* Upd: New table layouts
* Fix: Calculation of voltage drop DC
* Fix: Compatibility with Android 6.0
* Fix: Improved some layouts
v5.0.2:
* Upd: Malay language (by Nazrul Afdhal)
* Fix: Rewrited changelog class
* Fix: Minor bugfix
v5.0.1:
* Upd: Dutch language (by Robert Wintersteijn)
* Fix: Bug exit application in Android 4
* Fix: Crush table of cables reactance NEC
* Fix: Issue on Blackberry
v5.0.0:
* New: Formulary
* New: Capacitor start motor single-phase
* New: Table of cables reactance
* New: Calculation "Impedance"
* New: Pinout Ethernet with PoE
* New: Pinout FireWire (IEEE1394)
* New: Pinout Apple Lightning
* New: Pinout Apple Dock Connector
* New: Pinout PS/2
* New: Color code fiber optic
* Imp: Improved calculation of fault current
* Imp: Improved calculation "Antenna length"
* Imp: Improved readability of the symbols
* Add: Letters to the IP Protection Classes
v4.2.1:
* Add: "Installation type" and "Insulation" to the calculation of wire size
* Add: "Installation type" to the calculation of current carrying capacity
* Add: Pinout USB 3.1 C
* Imp: Rounding "Calculation of voltage drop"
* Imp: Calculation "Colors resistor from value"
* Add: "Right To Left locales" for arabic language
* Upd language: Deutsch by na2xs2y, Portuguese [PT] by L.Sousa, Polish by K.Szuba, Vietnamese by N.Duy Trung, Czech by Skipy, Turkish by B.Aydogdu
v4.2.0:
* Add: "Installation type" and "Insulation" to the calculation of wire size
* Add: "Installation type" to the calculation of current carrying capacity
* Add: Pinout USB 3.1 C
* Imp: Rounding "Calculation of voltage drop"
* Imp: Calculation "Colors resistor from value"
* Add: "Right To Left locales" for arabic language
* Upd language: Deutsch by na2xs2y, Portuguese [PT] by L.Sousa, Polish by K.Szuba, Vietnamese by N.Duy Trung, Czech by Skipy, Turkish by B.Aydogdu
v4.1.0:
* New: Short circuit current with transformer substation
* New: IK/NEMA Code
* New: Renewed graphics of "Wiring color codes"
* New: "Electrical symbols" & "Diagram three-phase motor" now are libre.
* Added Ukrainian language (by R.Korzh)
* Updated Slovenian language (by S.Veternik)
* Updated Turkish language (by B.Aydogdu)
* Updated Portuguese [PT] language (by L.Sousa)
* Updated Russian language (by D.Energetik)
* Updated Arabic language (by A.Qaissia)
v4.0.2
New: Pinout led
Added IP69K
Added Slovenian language (by Sao Veternik)
Updated German language (by Claudio Ruffino)
Updated Romanian language (by Laurentiu Petre)
Updated Traditional Chinese language (by Jose Enrique Gutierrez)
Updated Catalan language (by antoine.nom36)
Updated Serbian language (by Vladimir Cvijovi, Velimir Lazarevi)
Updated Arabic language (by Abdusalam Qaissia)
Updated Czech language (by Skipy)
Fix: Negative resistance for leds
Fix: Minor bugfix
v4.0.1
* Add: Ability to sort calculations
* New: Material Design Theme for Android 5.0
* Add: Added Swedish language (by Jimmy Olandersson)
* Add: Added Traditional Chinese language (by EricLee)
* Imp: Improved calculation of capacitor for single-phase motor
* Add: Wiring diagram in "Battery life" calculation
* Imp: Calculation of active power also accepts current expressed in kVA
* Imp: Short circuit current decimal
* Fix: NumberFormatException in SMD resistor code
* Fix: Minor bugfix
4.0.0
New: Zener diode as voltage stabiliser
New: Reactance
New: Primary/Secondary winding of transformer
New: SMD resistor code
New: Motor section
New: Motor efficiency
New: Maximum torque
New: Diagram three-phase motor
New: Conversion /sen/cos/tg
New: Conv. of section
New: Conv. RPM - rad/s - m/s
New: Conv. Ah / kWh
New: Conv. gauss / tesla
New: Unit of measurement
Add: DC wiring color codes
Add: Faq
Imp: Improved Battery Life calculator
Add: Support to Android 5.0

В раздаче:

Новая и также предыдущая на всякий случай версии.

Установка:

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