Teaches of multi-digit numbers with step-by-step guidance. Tracks student progress and identifies areas needing practice. Provides visual and auditory encouragement. Allows parents and teachers to view progress and focus on specific skills.
The app displays large red digits for visibility from a distance. A traffic light system provides visual cues for time management during presentations.
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.
The app practices place value for two, three, and four-digit numbers. Users answer questions about tens, hundreds, and thousands by touching the screen.