
Overview:
Electrical Calculations Pro is a professional-grade app designed for electricians, engineers, and electronics enthusiasts. Known in the electrical industry for its reliability and versatility, this app combines advanced calculation tools with a comprehensive resource library, making complex calculations fast, easy, and accurate. Whether you’re designing circuits, analyzing motors, or planning installations, this app has you covered.
Key Features:
Electrical Calculations:
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Wire cross-section & voltage drop
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Current, voltage, active/reactive/apparent power
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Power factor and load resistance
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Maximum cable length
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Ampacity for insulated, bare conductors and busbars
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Conduit sizing & circuit breaker selection
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Energy allowed through cables (K²S²)
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Short-circuit currents & substation analysis
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Transformer power factor correction
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Cable temperature & power loss
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Temperature sensors: PT/NI/CU, NTC, Thermocouples
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Analog signal values & Joule effect loss
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PV fault current & atmospheric overvoltage risk
Electronic Calculations:
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Resistor & inductor color codes, SMD resistor identification
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Capacitance & inductance codes
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Fuse ratings, series/parallel totals
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LC resonance, voltage dividers, shunt circuits
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Zener diode voltage regulation
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LED current-limiting resistors
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Battery life estimation
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Transformer winding calculations
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Antenna length & CCTV HDD/bandwidth calculation
Motor Calculations:
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Motor current, voltage, power, efficiency, and power factor
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Three-phase to single-phase conversion
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Single-phase motor start capacitor
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Motor speed, slip, maximum torque, full-load current
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Motor wiring diagrams (6/9/12 leads)
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Insulation class, connections, and terminal markings
Converters & Unit Tools:
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Δ-Y transformations & power conversions
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AWG/mm² & SWG tables
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Cross-section, length, voltage, angle (sin/cos/tan/φ) conversions
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Energy, temperature, pressure, Ah/kWh conversions
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VAr/µF, Gauss/Tesla, RPM/angular velocity/m/s
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Torque, bytes, and angle conversions
Resources & Reference:
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Fuse categories, UL/CSA types, standard resistance, trip curves
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Cable specs, resistance & voltage drop tables
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IP/IK/NEMA protection ratings, Atex certification
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Electrical safety types, CCTV resolution standards
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Thermocouple color codes, ANSI equipment codes
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Electrical symbols, worldwide mains standards
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Power plugs & sockets, IEC/ISO/NEMA standards
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Wire color codes, SI units, piping dimensions
Connector & Pin Guides:
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Ethernet (RJ-45/PoE), RJ-9/11/14/25/48, Scart, USB, HDMI, VGA, DVI, RS-232
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FireWire, Molex, SATA, Lightning, Dock, DisplayPort, PS/2
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Fiber color codes, LED pins, Raspberry Pi pins
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Car audio (ISO 10487), OBD II, XLR, MIDI, Jack, Thunderbolt
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SD & SIM cards, 16×2 LCD display pins
Premium Features & Version Notes:
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All professional/premium features unlocked – no key required
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Removed unnecessary permissions, receivers, providers, and services
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Optimized graphics, zipaligned resources for faster loading
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Ads removed, ad calls disabled, Google Play install check removed
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Debug code and source tags removed
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Analytics/Crashlytics/Firebase disabled
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Splash screen disabled, AOSP compatible
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Multilingual support, universal CPU architecture
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Supports screen DPIs: 160, 240, 320, 480, 640
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Original package signature modified
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Requires Android 5.0+