Opamp tools vs CS++ Intro to Python

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

CS++ Intro to Python is a complete first programming course for iPhone and iPad — 10 units and 36 lessons that take you from your very first print() to a capstone project, fully offline. Lessons embed 83 runnable Python coding challenges, 76 inline multiple-choice checks, and 33 Parsons problems — all executed on-device by a bundled Python runtime. No account. No ads. No tracking. No internet required. WHAT'S INCLUDED • 36 lessons across 10 units — first print() to a capstone project • 83 runnable coding challenges — write real Python and run it on-device, no install, no server • 76 inline multiple-choice checks • 33 Parsons problems — drag code blocks into working order • Variables, strings, conditionals, loops, turtle graphics, functions, lists, dictionaries, and files • Everything works fully offline — progress stays on your device UNIT 1 IS FREE FOREVER Unit 1 — Getting Started with Python (3 lessons) is unlocked at install. Write and run real programs, and decide if the rest is worth $9.99. UNLOCK FULL INTRO TO PYTHON — $9.99 ONE-TIME A single in-app purchase unlocks all 10 Intro to Python units (36 lessons, 83 coding challenges): Unit 2. Variables & Data Types Unit 3. Operators & Expressions Unit 4. Strings Unit 5. Booleans & Conditionals Unit 6. Loops & Iteration Unit 7. Functions Unit 8. Lists Unit 9. Dictionaries Unit 10. Files, Tuples & a Final Project Pay once, keep forever. Restores on any device signed in to the same Apple ID. No subscription. Future content updates included. PRIVACY Everything runs on your device. The app does not require an account, does not collect personal information, does not include analytics or advertising, and does not track you across apps. Your progress stays on your device. See csplusplus.com/privacy for details. WHO IT'S FOR • Complete beginners writing their first line of code • Intro to Python students who want practice anywhere, with or without Wi-Fi • Teachers who want a tablet-friendly tool for in-class practice • Self-learners working through Python on the go For the full-screen browser Python IDE, per-unit question banks, and timed practice exams, visit csplusplus.com.