Deck Odds

Deck Odds is an offline probability study notebook that uses a standard 52-card deck as a transparent teaching model. Mark which cards have already been drawn, then read exact remaining-deck counts, combinatorial expansions, and conditional-probability steps—with worked plain-language explanations you can verify by hand. Built for students, tutors, and self-learners. It is a reference and classroom tool only: no money, stakes, wagering, betting odds, or games of chance. DRAWN-STATE CARD GRID Tap any of the 52 face cards (4 suits × 13 ranks) to toggle Drawn vs Still-in-deck. Live counters show remaining total, per-suit, per-rank, and per-color counts as the sample space shrinks. EVENT BUILDER WORKSPACE Choose a target event from teaching presets—next card is a heart, exactly two spades in the next three draws without replacement, full-house shape in a 5-card remainder sample—or define…