Apps Like Bell Curves - graphing calculator for the normal distribution function for iPhone and iPad
Interactive graphs for normal distributions.
The app builds interactive graphs of the probability density function and cumulative distribution function for normal distributions. It fits sample data from CSV files and solves PDF/CDF equations graphically.
by Iaroslav Mironov★ 3.02 ratingsEducationFreeData updated 2026-10-25
Calculate probabilities, plot distributions, and find percentiles
Calculate probabilities and percentiles for normal, t, chi-square, F, exponential, gamma, beta, log-normal, Pareto, and Weibull distributions. Plot density functions for these distributions.
Allows users to plot functions, polar, and parametric graphs. Users can edit equations in the graph editor and view graphs. Features include tracing, finding intersections and extrema, displaying derivatives, and adding tangents.
Solve math problems with capabilities. Input equations, view function graphs, and analyze statistical data. Perform calculations in algebra, calculus, and statistics. Navigate using arrow keys or touch gestures.
Perform statistical calculations, graph functions, and handle scientific and matrix operations. Access all features without ads or付费 restrictions. Replace physical calculators for test preparation and academic use.
The app calculates and plots frequency and density functions for the standard normal distribution. It computes one tail, middle, two tail, and cumulative density functions, along with raw frequency functions.
Allows users to plot functions, implicit relations, and parametric curves. It supports 3D graph visualization in AR. Features include inequality plotting, vector fields, and coordinate transformations.
Allows plotting of polar, cartesian, and parametric equations with unlimited expressions. Users can add sliders for function transformations, create tables for data input, and animate graphs.
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Customize settings for precision. Access detailed tutorials and a comprehensive user manual.
Explore probability with interactive sliders and buttons. Calculate probabilities and percentiles for upper tail, lower tail, or two-tailed tests. Visualize results alongside numerical solutions. Compare continuous and discrete side-by-side.
Scientific calculator allows complex equation solving, graphing in portrait and landscape modes, and polynomial root finding up to 10th degree. Adjust font sizes and graph line widths. Solve systems of equations and matrices.
Create and analyze mathematical functions with interactive graphing. Manipulate equations, zoom, and pan graphs. Access a clean interface with logically placed tools. View detailed error messages and scroll through results without navigation clutter.
The app builds interactive graphs of the cubic function y = ax³ + bx² + cx + d. It also solves cubic equations and helps users understand how coefficients affect the graph.
Solve math problems with natural textbook input and fraction support. Trace graphs with touch. Zoom using pinch gestures. Tap for regression analysis. Swipe to scroll through calculation history and matrices. Access help via the ? key.
Perform complex calculations with a powerful math core and algebra engine. Display mathematical expressions with proper formatting. Solve equations, graph functions, and convert units. Access scientific, financial, and programming calculators.