Opamp tools vs Circuit Calculator Pro

This app is the collection of operational amplifier calculators. It is suitable for hobbyist or electronic engineer. Features * Inverting amplifier * Non-Inverting amplifier * Differential amplifier * Summing amplifier * Inverting comparator * First-order filter * Second-order filter (HPF) * Phase shift oscillator * Colpitts oscillator * Limit 5 combinations of component values * Share CSV via AirDrop * Upload CSV to iCloud Drive (For iOS8 or later) Pro Features * Instrumentation amplifier * Non-inverting comparator * Second-order filter (LPF) * Wien bridege oscillator * Hartley oscillator * No limitation of the number of suggestions * Selectable 1%,5%,10%,20% of values

Circuit Calculator Pro is a practical electronics toolkit for students, makers, and engineers. Use 13 calculators in one app: • Ohm's Law (V, I, R, P) • Resistors Series/Parallel • Voltage Divider • LED Resistor • RC Time Constant • Capacitors Series/Parallel • Inductors Series/Parallel • Reactance (Xc/Xl) • Power & Energy • Wire Voltage Drop • LED String • Loaded Divider • E-Series Finder Built-in workflow tools: • Save recent calculations • Organize results into projects and folders • Copy/share results instantly • Export to PDF and image (Premium) Reference library included: • Resistor color code guide • Capacitor code guide • Formula cheat sheets • Electronics glossary Circuit Builder (Premium): • Drag-and-drop components • Connect nodes on a grid canvas • Run circuit analysis and view node voltages/currents • Save and reopen circuit files Free plan includes core calculators with ads. Premium is a one-time purchase that unlocks advanced calculators, circuit builder access, expanded limits, and ad removal.