Probability Calculator - Online Odds & Combinatorics Tool
Compute probability for simple events, as well as permutations and combinations (nPr, nCr). Useful for statistics and game theory. Browser-based math.
UD5 Toolkit
Enter letters above to discover anagrams & permutations
Try examples like "listen" or "stare"p?t will find words like pat, pet, pit, pot, put. You can use up to 2 wildcards in your input. Wildcards work in both Dictionary and All Permutations modes, though they're most practical in Dictionary mode since they dramatically increase the number of possible permutations.
Compute probability for simple events, as well as permutations and combinations (nPr, nCr). Useful for statistics and game theory. Browser-based math.
Enter a first name and last name, plus a domain, to generate common email address patterns. For finding contacts.
Select a destination language and generate a printable mini phrasebook with essential greetings, directions, food, and emergency phrases. Local only.
Brainstorm information architecture: enter a parent term and generate child terms and related concepts. Quick idea list.
Convert any English text to Pig Latin. Simple word play. Works offline.
Type a word to see all its homophones with definitions. Avoid embarrassing mistakes (their/there/theyβre). Static dictionary.
Type a word and see if it can be spelled using chemical element symbols. Geeky custom message creator. Copy or share.
Paste a passage and automatically remove every nth word to create a fillβinβtheβblank exercise. For teaching and selfβstudy.
Paste a line of poem and see which syllable stresses create a particular meter. Educational tool.
Generate a sheet of random arithmetic problems (+, -, Γ, Γ·) with configurable digits. For kids and brain training.
Create a completely randomly generated alien script with fonts and syllable patterns. Translate your name into alien. Fun.
Type a number and see its full English word representation (e.g., 123 β one hundred twentyβthree). Supports large numbers.
Practice mental arithmetic with customizable operators and digit count. Timed rounds, score tracking. Works offline. Improve your brain speed.
Apply a color tint overlay over text to see if it helps reading comfort. Trial for visual stress.
A kanji appears; you guess how many strokes it has. Learn stroke order awareness.
Enter two premises and a conclusion (All A are B, Some C are not B, etc.) to check validity using Venn diagram rules.
Convert a number like 1234.56 to English words 'one thousand two hundred thirty-four and 56/100'. For checks.
Build a combination resistor network by adding series/parallel groups and get total resistance. Visual circuit.
Enter two names and get a playful love compatibility percentage. Purely for entertainment! All calculation happens instantly in your browser.
Enter number of eyelet pairs and lacing style to find the correct shoelace length in inches/cm. Never buy too short.
Type a mathematical expression like 'sqrt(16)+sin(pi/2)' and get the result instantly. Supports popular functions. Local.
Select two birth year animals to see a fun compatibility rating and description. Pure cultural entertainment.
Calculate salt and water for a safe vegetable fermentation. Adjust for pepper weight. Visual brine guide.
Complete a 10x10 multiplication grid against the clock. A fun way to master times tables.
Answer a series of deliberately confusing and trick questions. Lives system and funny wrong answers. Playful, no data stored.
Drag the seven tangram pieces to form a target silhouette. Multiple puzzles. Develop spatial thinking. All canvas interactions.
Solve random arithmetic problems under a time limit. Track your score and improve mental calculation. No data collected.
Select tuning, scale length, and string gauge to calculate total tension on the neck. Build custom string sets.
Estimate make probability of a putt based on distance and skill rating. For disc golf enthusiasts. Fun statistical tool, no data upload.
Convert a numeric amount into English words, perfect for writing checks or legal documents. Supports USD/GBP styles.