Notebook allows saving notes, recipes, and other content with iCloud sync for iOS 13 and later. Dilution calculates required water volume to reduce alcohol strength.
by Denis Orlov★ 4.7197 ratingsUtilitiesFreeData updated 2026-09-14
Calculate airflow displacement by inputting velocity or volume. Select duct type and dimensions with unit options. Instantly display results in preferred units including fl/min, m/s, and ft3/min.
Calculate gas size based on BTU load, length, and gas type (LP or Natural). Input values and select gas type to determine minimum size. Output result for immediate use.
Calculate expected due date () and estimated gestational age (EGA) using last menstrual period (LMP) or ultrasound (USS) provided . Input dates and receive calculated results.
Track game scores and progress for . Save game data with dates and remaining rounds for incomplete games. View past scores and share results with friends. Organize game sessions and monitor completion status.
& Math Tools • Classic with basic and advanced functions • Financial tools for loan payments and savings planning • Unit conversion for measurements and currencies • Tip calculation and percentage functions • Offline use without internet
Convert across 20 categories including length, weight, temperature, and more. Perform real-time conversions with 8-decimal precision. Switch between metric and imperial systems. Use scientific notation and dark mode.
Calculate rates using body weight, desired dose, and drug volume. Determine time from fluid volume and rate. Tap screen for drop and drip rate. Support custom drugs, complex dilutions, and weight-based dosing.
Create custom recipes using templates and save them to your library. Adjust ingredient quantities to calculate colour, ABV, and IBUs. Scale recipes by modifying ABV, volume, and IBUs. Follow step-by-step instructions for the brew in a bag method.
Calculate tips and split bills by entering total amounts and selecting tip and tax percentages. Round payments up, down, or to the nearest amount. Save preferred settings for future use. Customize appearance with nine themes.