Resistor vs EngKit

Resistor Converter – Fast & Easy Calculate resistor values, color bands, and SMD codes in seconds – perfect for electronics hobbyists, students, and professionals. Supports 4-, 5-, and 6-band resistors as well as SMD codes (EIA-3, EIA-4, EIA-96). - Tap color bands → read the value - Enter resistor → get matching color bands & SMD codes - Works offline, no registration required - Perfect for electronics, study & DIY projects Simple, fast, and free – the perfect companion for every electronics enthusiast!

EngKit is a focused toolkit of engineering and math calculators, built for students, hobbyists and professionals who want fast, accurate tools without clutter. FREE MODULES • Resistor Code — decode resistance from color bands, convert between SI units • Ohm's Law — calculate voltage, current and resistance interactively • LED Resistor Calculator — find the right series resistor for any LED and supply voltage • Voltage Divider — design resistor voltage dividers for any target output • Resistor Network — equivalent resistance for series and parallel circuits • Matrix Calculator — add and multiply matrices up to 10×10 • Graphing Calculator — plot and explore math functions with pan and zoom • Unit Converter — convert between 14 categories: length, mass, temperature and more PRO MODULES (one-time unlock) • Complex Numbers — add, subtract, multiply and divide in rectangular or polar form • Capacitor Code — decode capacitance from EIA 3-digit codes and tolerance letters • Equation Solver — solve linear, quadratic and 2×2 systems of equations • Triangle Solver — solve triangles and trig functions with exact values • Root Finder — bisection, false position, Newton-Raphson and secant • Projectile Motion • Boolean Algebra No subscriptions. No ads. Pay once for Pro and keep every current and future module.