Galton Board vs SwipeDrill

Originally conceived in 1894 by Galton, the board consists of countless balls traversing down through a maze of pins. At every pin, they have a single choice: go left or right. Although the possibilities seem limitless, a pattern soon emerges. But how does this really work? This app is a simulation of the famous Galton board and is intended for educational purposes. You can adjust the board size, and send over a thousand balls bouncing down the board. On iPad you can even run multiple simulations simultaneously with multiple windows. The results are visualized by a bar chart. The Galton Board is closely related to Pascal's Triangle, Newton's binomium and probability theory in general. For experiment fidelity and performance, the balls do not collide with each other. I hope this app helps people grasp chance at least a little bit better. Love the app, or have improvements/suggestions? Let me know!

Every developer uses Git. Few actually master it. SwipeDrill: Git turns the official Git documentation into daily swipe quizzes so you stop guessing and start knowing. One card, one concept, one step closer to confidence on any team, any codebase. HOW IT WORKS Each card shows a statement about Git behavior, commands, or concepts. Swipe right if it's true. Swipe left if it's false. Instant explanation tells you exactly why so the knowledge actually sticks. WHAT YOU'LL MASTER - Git Basics: init, clone, config, and core concepts - Commits and History: log, diff, amend, and revert - Branching: create, switch, delete, and track branches - Merging: fast-forward, three-way, and conflict resolution - Rebasing: interactive rebase, squash, and reorder - Remote Repositories: fetch, pull, push, and remotes - Stash and Tags: save work in progress, tag releases - Workflows: Gitflow, trunk-based, and team conventions 800+ questions. Sourced from official Git documentation. WHO THIS IS FOR - Developers who still Google "how to undo a commit" - Junior devs building confidence before code reviews - Engineers preparing for technical interviews - Students learning collaborative development - Anyone switching from SVN or other version control systems PREMIUM FEATURES Upgrade once. Use forever. - Sequential Mode: work through all questions in order - Bookmarks: save tricky questions and review them later - Detailed Stats: track accuracy and progress per category - No Ads: completely ad-free experience STUDY SMARTER - Daily Goal tracker: build a consistent study habit - Streak counter: keep your momentum going - Review Mode: replay only the questions you got wrong - Today's Command: a new featured concept every day - Works offline: questions bundled in the app A NOTE ON CONTENT All questions are based on official Git documentation. While we strive for accuracy, content may occasionally contain errors or reflect outdated information. Always verify critical details against the latest official sources. Stop Googling. Start knowing. Download SwipeDrill: Git and swipe your way to fluency.