Fretzl vs Phys. Lab

Learn the language of guitar! Designed for beginners and experienced guitar players who want to understand the instrument deeply, Fretzl guides you through the fundamentals and more on the fretboard. Learn from a structured series of in-depth courses in notes, intervals, chords, chord inversions, scales, and arpeggios. --- Fretzl makes it easy: • Go at your own pace by choosing a daily goal and building a streak! • Unleash your soloing and comping creativity by discovering new chords, scales, and arpeggios • Spaced repetition means we'll keep track of what you need to review and when so you don't forget • Learn the theory with our intuitive and hands-on approach in lessons • Build fundamental fretboard skills you can apply no matter what style or songs you want to play • Break bad habits of memorizing tab numbers and really understand what you're playing with our intervals-based approach • Train your ear so you can play anything you can hear • Get ready for practice with a built-in tuner --- How Fretzl Works Fretzl uses fast modern study methods like spaced repetition to build up your understanding and strengthen your memory along your journey to guitar mastery. Skills are learned in a logical progression and you can take time to review your trouble areas. Whether you hope to play rock, jazz, classical, blues, or any other major guitar style, Fretzl will help you build intuition on the instrument. Give it a try and see how Fretzl can help you on your path. --- Any questions, thoughts, or concerns? We'd love to hear from you at contact@fretzl.com Privacy: https://fretzl.com/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

This app simulates primary and secondary school physics experiments, allowing users to understand the basic principles and usage methods of physical experiments through interactive simulation operations. It facilitates the learning, understanding, and review of physical principles, making it suitable for primary and secondary school students and physics enthusiasts to learn and comprehend physics knowledge. It can also be used for classroom teaching demonstrations by teachers and for leisure and entertainment during breaks. The simulated experiments include: 1. Vernier Caliper: Simulates measuring the outer diameter, inner diameter, hole depth, and length of a nut. 2. Balance: Simulates measuring the mass of cherries, rings, and diamonds. 3. Equilibrium of Two Forces: Measures the magnitude and direction of two forces in equilibrium using two spring balances, demonstrating Newton's Third Law. 4. Equilibrium of Three Forces: Measures the magnitude and direction of three forces in equilibrium using three spring balances, demonstrating the parallelogram law of force composition and decomposition. 5. Newton's Second Law: Measures the acceleration of uniformly accelerated linear motion using a 50 Hz punching timer, demonstrating Newton's Second Law. 6. Mechanical Resonance: Demonstrates the resonance principle through the resonance of pendulums with different string lengths. 7. Reflection and Refraction of Light: Demonstrates the laws of reflection and refraction of light by measuring the reflection and refraction angles of lasers with different frequencies in different media. 8. Convex Lens Imaging: Demonstrates the imaging principle of a convex lens by measuring the distances of real and virtual images, the distance of the candle flame, the heights of the real and virtual images, and the height of the candle flame. 9. Ohm's Law: Demonstrates Ohm's Law and Kirchhoff's Voltage and Current Laws by measuring the voltage and current in series circuits, parallel circuits, series-parallel mixed circuits, as well as short circuits and open circuits. The screen supports pinch-to-zoom gestures for easy measurement and observation.