Opti-LZ Labs Third-Party Notices ========================= This file identifies third-party software and data used by Opti-LZ Labs. Opti-LZ Labs does not claim ownership of third-party names, software, or data. Opti-LZ Labs Calculator dependencies (locally bundled) ------------------------------------------------------ MathLive 0.110.0 https://github.com/arnog/mathlive Copyright (c) 2017-present Arno Gourdol. Licensed under the MIT License. The package includes locally served mathematical fonts; its upstream copyright and permission notice applies to the bundled files. CortexJS Compute Engine 0.58.0 https://github.com/cortex-js/compute-engine Copyright (c) Arno Gourdol and contributors. Licensed under the MIT License. Math.js 15.2.0 https://github.com/josdejong/mathjs Copyright (c) 2013-2026 Jos de Jong and contributors. Licensed under the Apache License, Version 2.0. Function Plot 1.25.4 https://github.com/mauriciopoppe/function-plot Copyright (c) 2015 Mauricio Poppe. Licensed under the MIT License. fflate 0.8.3 https://github.com/101arrowz/fflate Copyright (c) 2020 Arjun Barrett. Licensed under the MIT License. Used to read bounded XLSX ZIP/XML containers locally; workbook formulas are not executed. Tesseract.js and Tesseract.js Core 7.0.0 https://github.com/naptha/tesseract.js Licensed under the Apache License, Version 2.0. The optional OCR runtime is downloaded only when a user starts image recognition and runs in the browser. @tesseract.js-data/eng 1.0.0 https://github.com/naptha/tessdata Licensed under the MIT License. The locally served English recognition data is used only by the optional on-device image-input feature. Three.js 0.185.1 https://github.com/mrdoob/three.js/ Copyright 2010-2026 Three.js Authors. Licensed under the MIT License. Used for local interactive 3D surface rendering. Opti-LZ Labs Calculator bundles selected compatible transitive packages, including @arnog/colors, complex-esm, complex.js, decimal.js, escape-latex, fraction.js, javascript-natural-sort, seedrandom, tiny-emitter, typed-function, built-in-math-eval, interval-arithmetic-eval, events, and D3 axis/color/format/ interpolate/scale/selection/shape/zoom modules. These packages are distributed under MIT-, ISC-, BSD-, or Apache-2.0-compatible terms recorded in package-lock.json and their installed package licence files. All selected licences permit commercial use subject to their notices. The 0.777 guided-calculator formulas, verified-step presentation, delimited/JSON parsers, descriptive and inference statistics, regression routines, ODE solver, practice engine, and SVG chart generation are first-party Opti-LZ Labs code and introduce no additional third-party package. Imported files are processed locally within the published mobile safety limits. European Central Bank reference exchange rates https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html Currency conversions may use a cached copy of ECB reference-rate facts with source and rate date shown in the product. ECB reference rates are informational and are not transaction or trading rates. Opti-LZ Labs is not endorsed by the ECB. esbuild 0.28.1 (build-time only) https://github.com/evanw/esbuild Copyright (c) Evan Wallace. Licensed under the MIT License. SunCalc 2.0.1 https://github.com/mourner/suncalc Copyright (c) 2026, Volodymyr Agafonkin. All rights reserved. Licensed under the BSD 2-Clause License: https://opensource.org/license/bsd-2-clause SheetJS Community Edition 0.18.5 https://sheetjs.com/ Copyright (C) 2012-present SheetJS LLC. Licensed under the Apache License, Version 2.0: https://www.apache.org/licenses/LICENSE-2.0 ZXing for JS Browser 0.1.5 and ZXing for JS Library https://github.com/zxing-js/browser Licensed under the MIT License and Apache License, Version 2.0. The bundled ZXing library includes additional attribution notices in its upstream licence: https://github.com/zxing-js/library/blob/master/LICENSE jsQR 1.4.0 https://github.com/cozmo/jsQR Licensed under the Apache License, Version 2.0: https://www.apache.org/licenses/LICENSE-2.0 Twemoji Graphics https://github.com/jdecked/twemoji Copyright (c) Twitter, Inc. and other contributors. The bundled food icon SVGs are licensed under Creative Commons Attribution 4.0 International. The complete license text is bundled at: /assets/food-icons/LICENSE-CC-BY-4.0.txt https://creativecommons.org/licenses/by/4.0/ Open-Meteo https://open-meteo.com/ Weather and geocoding data are licensed under CC BY 4.0. Opti-LZ Labs transforms the data into timeline and weather visualizations. Open-Meteo attribution and licence information: https://open-meteo.com/en/license Open Food Facts https://world.openfoodfacts.org/ The Open Food Facts database is licensed under the Open Database License (ODbL), and individual database contents are available under the Database Contents License. Default product images displayed after a barcode lookup are provided by Open Food Facts under Creative Commons Attribution-ShareAlike 3.0. The images may include graphical elements subject to additional rights. https://opendatacommons.org/licenses/odbl/1-0/ https://creativecommons.org/licenses/by-sa/3.0/ MyMemory by Translated https://mymemory.translated.net/ Opti-LZ Labs may use MyMemory to translate a public product name returned by Open Food Facts. Use is subject to MyMemory's terms: https://mymemory.translated.net/terms-and-conditions OpenStreetMap https://www.openstreetmap.org/ Vienna restaurant branch coordinates and normalized address facts include data from OpenStreetMap contributors, used under the Open Database License 1.0. Branch existence is also checked against the applicable restaurant's official location source. © OpenStreetMap contributors. https://www.openstreetmap.org/copyright https://opendatacommons.org/licenses/odbl/1-0/ Google Identity and Google Sheets APIs https://developers.google.com/identity https://developers.google.com/sheets/api Google and Google Sheets are trademarks of Google LLC. Opti-LZ Labs is independent and is not endorsed by Google. node-ical 0.27.1 https://github.com/jens-maus/node-ical Licensed under the Apache License, Version 2.0. rrule-temporal 2.0.2 https://github.com/kewisch/rrule-temporal Copyright (c) 2024 ggaabe. Licensed under the MIT License. temporal-polyfill 1.0.1 https://github.com/fullcalendar/temporal-polyfill Copyright (c) Adam Shaw. Licensed under the MIT License. The full text of the Apache License 2.0 is available at: https://www.apache.org/licenses/LICENSE-2.0 The full text of the MIT License is available at: https://opensource.org/license/mit USDA FoodData Central Nutrition reference data in the optional “Austrian Grocery Essentials” catalogue is sourced from the USDA FoodData Central Foundation Foods (April 2026) and SR Legacy (April 2018) downloadable datasets. The USDA FoodData Central API guide identifies the data as public domain and distributed under CC0 1.0 Universal. Source: https://fdc.nal.usda.gov/download-datasets/ Licence: https://creativecommons.org/publicdomain/zero/1.0/ Suggested attribution: USDA FoodData Central