Loop vs DBM Lookup Utility

Loop makes setting timers easier, faster and more beautiful. Start multiple (interval, Tabata, and cooking) timers, create presets, import your own sounds and so much more! - Easy Start: The start screen shows the most recently started timers and your favorites. One tap is enough to start a timer. You can also create a new quick timer with natural-language input: Simply type something like "1h Work, 30m Break" to create a timer with two intervals. Any number of timers can be started in parallel. The first timers will be displayed as nested rings. - Automatic Reset: After a timer expires, the app plays a sound and the timer automatically resets, so you can start it again immediately. Alternatively, you can configure a timer to play the sound like an alarm until you disable it. Loop supports AlarmKit so the alarm is also shown on your Apple Watch (requires at least iOS or iPadOS 26). - Presets: You can save your favorite timers as presets, which can be started with a tap. You can use text or an icon for your presets, and also change the color as you like. You can create multiple categories for your presets, with each category able to customize the app’s default settings. - Interval Timers: You can create interval timers and save them as Presets. The app plays a sound for each elapsed interval and displays it as a small dash on the ring. Additionally, you can name each of them, select repetitions for the intervals, or make the timer repeat automatically. - Choose Sounds: In addition to many included sounds, you can also import your own sound files from the Files app. Start, pause, finish, reset, interval, and background sounds can be selected separately. - Meditation Sounds: You can activate a background sound such as ocean waves or white noise in the settings, which will then be played when a timer is running. It is also possible to switch off the screen in order to concentrate fully on your meditation. - iCloud Sync: Your timers, settings, and sounds sync with your iPhone, iPad, Apple Watch, and Mac. - Push Notifications & Live Activities: Loop will send you a push notification when the app is closed if a timer or interval has expired. The sounds selected in the app will also be used for the notification. In addition, a live activity is displayed when timers are running. - And More: Custom app icons, Apple Watch integration, HealthKit support, configure when the screen should stay awake, and countless further options. This application is governed by Apple’s standard Licensed Application End User License Agreement (EULA), available at https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

DBM Lookup Utility finds the feasible distillation boundary maps (DBMs) for any ternary mixture, using only the relative boiling points of its pure components and azeotropes. No thermodynamic modeling or residue curve sketching required. DBMs are simplified residue curve maps. They show how a three-component mixture divides into distillation regions, and they're a key tool in the conceptual design of distillation processes. Finding the right map by hand means working through nodes, saddles and topological consistency. This app does it with a lookup. THREE WAYS TO FIND A MAP • Azeotropes: say whether each binary and ternary azeotrope exists and whether it's minimum- or maximum-boiling (or a saddle). Leave anything you don't know as "???" and the app keeps every possibility. The 307 possible temperature sequences (TSs) narrow down as you go. • Example: pick one of six preloaded systems, such as Methanol/Ethanol/Water or Acetone/Chloroform/Methanol, and see its TS and DBMs instantly. • Enter TS: type a temperature sequence you already know. The app checks it as you type and tells you what's wrong if it isn't valid. Then choose a TS and one of its DBMs to see the map drawn on the composition triangle. ALL 125 DBMs Browse a gallery of all 125 unique distillation boundary maps. Tap any one to see it full size, along with every temperature sequence that produces it. Each map is labeled with its Matsuyama–Nishimura classification code. USEFUL FOR • Screening entrainers for azeotropic or extractive distillation • Quick "what-if" checks during conceptual process design • Teaching and learning ternary VLE behavior Only thermodynamically feasible TSs and valid DBMs are generated, so you never have to judge inconsistent or indeterminate maps yourself. Based on the method published by Peterson and Partin, "Temperature Sequences for Categorizing All Ternary Distillation Boundary Maps," Ind. Eng. Chem. Res. (1997), and cited in Perry's Chemical Engineers' Handbook. Note: the app identifies which maps are possible. Experimental VLE data is still needed to pin down the exact boundary curvature for a specific mixture.