Flash Math vs Our Nuclear Timeline

Flash Math Simple flash card math. No ads, no subscriptions, no logins. Just getting better at mental math. Pick a category, pick a format, and go. That's it. Three ways to play: • 20 Problems — focused, untimed sets to build accuracy • Survival — answer until your first mistake, then beat your streak • 30 Second Rush — how many can you answer in 30 seconds? Three categories: • Addition & Subtraction — single, double, and triple digit • Multiplication — every times table from ×2 through ×12 • Grade Levels — mixed problem sets for 1st, 2nd, and 3rd grade Track your streak, accuracy, and total problems solved. Unlock achievements as you improve. See exactly how you perform on every multiplication fact and digit range. Privacy first. All your progress lives on your device. Nothing is collected, shared, or tracked. No account needed, ever. --- Optional upgrades — one-time purchases, not subscriptions: • Color Scheme Pack — unlock Dark, High Contrast, and five more themes • Lifelong Gold Member — advanced stats, color schemes, and everything we add in the future The core app is free. The math is always free.

Nuclear Timeline is an educational reference app that maps the history of confirmed nuclear test detonations from 1945 to today. Explore more than 2,000 events by date, country, location, and explosive yield. Browse a chronological timeline, jump quickly between years, search by site or test name, and view each detonation on a map with latitude and longitude details. The app includes tests conducted by the United States, Soviet Union/Russia, France, the United Kingdom, China, India, Pakistan, and North Korea. Country flags, yield data, and location details help make the scale and sequence of nuclear testing easier to understand. Designed for students, researchers, history readers, and anyone interested in nuclear history, Nuclear Timeline presents complex historical data in a clean, searchable format.