Probability Calculator Plus
Stats, Distributions & Venn
About
Master probability and statistics with instant, step-by-step solutions for various calculations and distributions. Includes a random experiment simulator and a comprehensive reference guide.
What's New in Probability Calculator Plus
1.5
March 23, 2026
- Optimized for the latest devices. - Fixed minor bugs. - Improved and redesigned the UI.
MoreDeveloper apps
FAQ
What is Probability Calculator Plus used for?
Probability Calculator Plus helps users master probability and statistics by providing instant answers with full step-by-step solutions. It's designed for students, teachers, and data enthusiasts to understand mathematical concepts better.
Does Probability Calculator Plus offer step-by-step solutions?
Yes, every calculation in Probability Calculator Plus shows the full working, including the formula, substitution, and result. This feature is ideal for checking homework or learning how probability works.
What statistical distributions can Probability Calculator Plus calculate?
Probability Calculator Plus supports calculations for Binomial Distribution (P(X=k), mean, variance, standard deviation), Normal Distribution (P(a ≤ X ≤ b) with z-score computation and CDF), and Poisson Distribution (P(X=k) with λ parameter, mean, and variance).
Can Probability Calculator Plus simulate random experiments?
Yes, Probability Calculator Plus includes a random experiment simulator where you can roll dice (D4, D6, D8, D10, D12, D20), flip coins (1–10 simultaneously), and draw cards from a standard 52-card deck, all with live frequency charts.
What is the price of Probability Calculator Plus?
Probability Calculator Plus is a paid application, priced at $2.99. There are no subscriptions or in-app purchases required after the initial purchase.
Does Probability Calculator Plus have ads?
No, Probability Calculator Plus is ad-free. The description explicitly states 'No ads. No subscriptions. No internet required.'
What devices is Probability Calculator Plus compatible with?
Probability Calculator Plus is designed for both iPhone and iPad. It features a clean interface with full Dark Mode support for a comfortable user experience on Apple devices.
How often is Probability Calculator Plus updated?
The latest version of Probability Calculator Plus is 1.5, last updated on March 23, 2026. While this indicates a recent update, the frequency of future updates is not specified.
