Solve safe combination issues by entering a suspected combination and calculating possible new ones. View combinations ordered to minimize dialing. Mark tried combinations by tapping or dragging.
Generate random by setting a range or from manual entries or preloaded lists. Customize results with options for uniqueness, repetition, and ordering. View past draws and share results directly. Manage participant lists and track history efficiently.
Count items by tapping a number on the Apple . Increment or decrement the count. Undo accidental counts. Track quantities for birds, people, or other objects.
Calculate pump output, MASP, GOR, and tank strapping with unit selectors and input validation. Access Drilling, Production, Reservoir, and Terminal/Trading modules. Retrieve step-by-step formulas, unit conversions, and context summaries.
Guides users through testing with step-by-step instructions. Identifies correct reagents and timing. Displays color interpretations for results. Enforces proper testing order: alkalinity, pH, then sanitizer.
Create patterns from photos or manually. Adjust pattern size and complexity. Track progress on patterns. Export patterns as PDFs for printing or sharing. No subscriptions or in- purchases.
Calculate and engineering parameters with 134 formulas. Input values to compute force, friction, acceleration, work, power, and more. Access definitions and formulas for each calculation. First 5 calculators are free; others require in- purchase.
Manage focused moments with sequential for tasks like studying or workouts. Create and run multiple in order. Track time intervals and manage sessions efficiently.
Calculate BMI by entering weight and height. Display result with category indication. Save history for future reference. Share results via social media or email.