Electronic Formulator vs Direct

Electronic Engineer puts over 1,100 formulas and 24 reference tables in your pocket. No internet required. No ads. Just fast, accurate calculations when you need them. POWERFUL CALCULATORS Solve real-world electrical problems instantly: • Ohm's Law — Voltage, current, resistance, and power calculations • Voltage Divider — Output voltage, resistor values, current, and power dissipation • Three-Phase Power — Balanced systems, Wye and Delta connections • LED Circuits — Series resistor selection, power dissipation, max LEDs in series • 555 Timer — Astable and monostable modes with frequency, duty cycle, and timing • RLC Circuits — Resonant frequency, Q factor, bandwidth, impedance, and reactance • Power Triangle — Real, reactive, and apparent power with PF correction sizing • Impedance & Resistance — AC/DC circuit analysis • Star-Delta Conversion — Transform between Y and Δ configurations • Wheatstone Bridge — Unknown resistance and unbalanced bridge voltage • Inductors — Reactance, energy storage, series/parallel, and time constants • Wire Sizing — Circular mils, voltage drop (single and three-phase) • Capacitors, Transformers, Motors, Batteries, UPS, Lighting, and more PRO CALCULATORS Unlock advanced tools for professionals: • Op-Amp Circuits — Inverting, non-inverting, differential, and voltage follower • Filter Design — RC and RL low-pass, high-pass, and bandpass filters • PCB Trace Width — IPC-2221 current capacity and trace resistance • Skin Effect — Depth calculations for copper and custom conductors 24 REFERENCE TABLES Instantly look up critical data — no more flipping through handbooks: • AWG Wire Gauge — Diameter, area, resistance, and ampacity • NEC Ampacity Table — 60°C, 75°C, and 90°C conductor ratings • Resistor Color Codes — 4-band and 5-band decoding • Standard Resistor Values — E12, E24, E48, and E96 series • Circuit Breaker Sizes — Amp ratings, wire sizes, and typical applications • Wiring Color Codes — NEC, IEC, and Australian standards • Logic Gates Truth Tables — AND, OR, NAND, NOR, XOR, XNOR • Transformer Connections — Delta, Wye, Scott-T, Zig-Zag, and more • Power Factor Reference — Typical PF for motors, lighting, drives, and loads • SI Prefixes — From tera to femto with electronics examples • Conductor Properties — Resistivity, conductivity, and temp coefficients • Common Semiconductor Pinouts — BJTs, MOSFETs, regulators, 555, 741 • NEMA Enclosure Types — Indoor/outdoor ratings with IP equivalents • IP Protection Ratings — Solids and liquids protection levels • Ampacity Derating Factors — Temperature and conduit fill corrections • Standard Capacitor Values — Ceramic, film, and electrolytic • Cable Types — THHN, THWN, NM-B, MC, UF-B, and more • Decibel Reference — Power and voltage ratios at a glance • Motor Frame Sizes, Fuse Classes, Conduit Fill, and more UNIT CONVERSIONS Over 400 conversion formulas across 19 categories including metric, linear, liquid, cubic, pressure, weight, flow, BTU, horsepower, watts, joules, frequency, and HVAC. Plus 8 temperature scales: Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, and Rømer. BUILT FOR YOUR WORKFLOW • Favorites — Star the calculators you use daily for one-tap access • Calculation History — Every result saved automatically for easy reference • Export & Share — Send results to colleagues or save for documentation • Search & Filter — Find any formula or reference table in seconds • Dark Mode — Designed for comfortable use on job sites and in the field • US & Metric — Toggle between unit systems instantly WHY ELECTRONIC ENGINEER? Built by engineers, for engineers. We obsessed over accuracy, speed, and completeness so you can focus on what matters — getting the job done right. One purchase, no subscriptions, no recurring fees.

Direct-Hit® Mobile brings trusted repair guidance right to the vehicle, eliminating wasted steps and driving technician efficiency and satisfaction. By combining Official OEM manuals directly from the manufacturer, technician-validated fixes, and mobile-first intelligent search, DHM delivers a complete repair experience in the palm of a technician’s hand. Search for information on your mobile device to diagnose challenging issues and repair vehicles faster on the first attempt. Access key repair information directly from your phone or tablet. Forget about remembering detailed procedures or waiting for lengthy printouts—everything you need is on your mobile device. Scan VINs using your device’s camera to quickly load vehicle information and get started on the repair. Only Direct Hit® has more than 3 million confirmed fixes developed with insights from master technicians. Key Features of Direct-Hit Mobile by Identifix: - Official OEM Shop Manuals straight from the manufacturer, including Pin-Out & Connector Views, Exploded View Diagrams, links to Locations & Connector Face, expanded Procedures and Specifications coverage - Hotline Archives & Confirmed Fixes: Easy access to Identifix’s Hotline Archives, including confirmed and potential fixes, test procedures, technician comments, and easy navigation to relevant content - Quick-Hits: View consolidated lists of key Specifications content for particular types of repairs, including Quick Service, Fluid Capacity, A/C, Brakes, Drivetrain, and Tightening Torque - Wiring Diagrams: Visualize wiring diagrams - Diagnostic Trouble Codes (DTCs): Access comprehensive DTC information and troubleshooting - Body Shop repair content - Parts and Labor Times: Get detailed labor times and OEM parts for specific repair procedures - Related Part Numbers: Find related part numbers for efficient repairs - Recall Notices: Stay updated with recall notices from NHTSA - Technical Service Bulletins (TSBs): Access TSBs from manufacturers - Symptom troubleshooting - YouTube Videos: Watch informative YouTube videos for repair guidance - Innovative Carousel: Quick access to all vehicle information in an intuitive carousel - Printable Pages: Print pages for reference in the workshop - Save Vehicles: Save an unlimited number of vehicles for easy access