Binomial Coefficient PRO vs SnapDecks

This app provides two kind of calculations. One is the calculation of the binomial coefficient. The other one is the calculation of n factorial. You have to enter n and/or k to calculate the result. Only natural numbers are supported. The solution is shown step by step. All calculations are stored in the history. The final solution can be shared. [ Contents ] - modes for binomial coefficient and n factorial - n and/or k must be entered - results are calculated and shown in detail - the formula behind factorial and every step is shown - history function to save the input - detailed solution - only natural numbers are supported - no ads! [ Usage ] - there are fields for entering values using a special keyboard - press the check mark button at the bottom right to start the calculation - if values are missing, the relevant field is highlighted in yellow - if the values are wrong, the affected field will be highlighted in red - the entries in the history can be deleted or sorted - if you select an entry in the history, it will be automatically loaded for the calculation - the whole history can be deleted by pressing a button - solutions can be shared - n must be greater than or equal k

SnapDeck turns scattered class material into a study deck you can actually use. Import a batch of screenshots from Photos or bring in one or more PDFs from Files, then let SnapDeck extract the text and generate clear, grounded flashcards in a simple question-on-front and answer-on-back format. Built for focused study: - Batch-process screenshots or PDFs - Use on-device Vision OCR to pull text from typed or handwritten material - Generate clean flashcards from notes, textbook excerpts, worksheets, and review packets - Study one card at a time with tap to reveal, next card, restart, and shuffle - Keep decks saved locally for quick review later - No account, no subscription, no clutter SnapDeck is designed for students who want faster review, stronger retention, and a privacy-first utility they can buy once and keep using. EXAM COUNTDOWN (NEW IN 2.2) Put a date on the calendar and SnapDecks answers the only question that matters: will you be ready? A forward simulation of your deck's real FSRS memory model forecasts recall on exam day - if you keep up versus if you stop today - corrected by your own measured Exam Lab overconfidence. The cards that won't survive to exam day get flagged, and one tap rescues them while there's still time.