Circuit analysis and power quality reference — Ohm's law, resistor networks, and power factor with real UK reactive-charge context.
Ohm's law solver — voltage, current, resistance and power from any two — plus series and parallel resistor networks.
Power triangle solver, UK-focused quick-select operating points, capacitor correction sizing, and a UK DNO reactive-charge estimator.
Turns ratio solver with directly modifiable, visually-exact coil turns, plus a sourced efficiency-vs-load model.