Enter coefficients from highest to lowest degree, separated by spaces or commas.
Rational, irrational and complex roots + full factorization.
Every synthetic division pass, explained.
Real roots marked on the x-axis.
Scroll or pinch to zoom · drag to pan · double-click to reset.
Pick a difficulty or set your own polynomial and divisor r, then fill in the Ruffini table.
Correct verifications build your streak.
Bring down, multiply by r, add. Fill the empty cells.