Probability Calc
Miryu Kamiya Tools Contains ads
Calculate lottery, gacha, and draw odds using hypergeometric and binomial tools.
- Downloads
- 102+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Dec 22
- 2025 · v1.2.0
Screenshots
About Probability Calc
"Probability Calc" calculates chances for lotteries, gacha pulls, and draw events using statistical models.
Main features
• Hypergeometric distribution: probability of drawing hits
• Cumulative binomial distribution: chance of k successes in n trials
• Simple input with instant results
Recommended uses
• Estimate gacha pulls needed
• Pack-opening hit simulation
• Check campaign win rates
• Game design and learning
Privacy
No login required. All data stays on your device. Ads are minimal.
Main features
• Hypergeometric distribution: probability of drawing hits
• Cumulative binomial distribution: chance of k successes in n trials
• Simple input with instant results
Recommended uses
• Estimate gacha pulls needed
• Pack-opening hit simulation
• Check campaign win rates
• Game design and learning
Privacy
No login required. All data stays on your device. Ads are minimal.
What’s new
Version 1.2.0 · Updated December 22, 2025
Calculate gacha & lottery probabilities easily! 🎯 Accurate calculations using mathematical distributions 🌍 9 languages supported 🎨 Beautiful UI 🛡️ Privacy protected
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