Quellen
Diese Seite listet jede externe Quelle auf, die von Toolivaro-Tools und redaktionellen Inhalten verwendet wird (PROMPT.md §9). Jeder Eintrag verzeichnet den Inhaber, die URL, die Version oder das Gültigkeitsdatum, sofern bekannt, sowie das Datum der letzten Prüfung. Quellen werden nach einem wiederkehrenden Zeitplan geprüft; veraltete Einträge werden entfernt oder aktualisiert.
Externe Quellen werden zur Verifizierung und Erläuterung herangezogen. Ihr Inhalt liegt außerhalb der Kontrolle von Toolivaro; jede Quelle ist hier mit dem Datum der letzten Prüfung aufgeführt, damit Leser die Aktualität einschätzen können.
| Quelle | Inhaber | Version | Zuletzt geprüft | Verwendet von |
|---|---|---|---|---|
| Gross Profit Margin: Formula and What It Tells You | Investopedia | Article revision 2025 | 2026-07-15 | Gewinnmargen-Rechner, Bruttogewinn-Rechner |
| Margin vs Markup | Corporate Finance Institute (CFI) | 2025 revision | 2026-07-15 | Gewinnmargen-Rechner, Aufschlag-Rechner, Rabatt-Rechner |
| Break-even point analysis | U.S. Small Business Administration | — | 2026-07-15 | Break-even-Rechner |
| How much paint do I need? | Sherwin-Williams | — | 2026-07-15 | Farbbedarf-Rechner |
| Pricing — payment processing fees | Stripe | — | 2026-08-05 | Zahlungsgebühren-Rechner |
| Burn Rate | Corporate Finance Institute (CFI) | — | 2026-08-05 | Cash-Runway-Rechner |
| Portable Network Graphics (PNG) Specification | W3C | PNG 3.0 (Candidate Recommendation 2025) | 2026-08-05 | Bildgröße ändern, Bild komprimieren, JPG, PNG & WebP Konverter |
| WebP — An image format for the web | — | 2026-08-05 | Bildgröße ändern, Bild komprimieren, JPG, PNG & WebP Konverter | |
| JPEG — The JPEG Standard (ISO/IEC 10918) | JPEG Committee | — | 2026-08-05 | Bildgröße ändern, Bild komprimieren, JPG, PNG & WebP Konverter |
| ISO 8601 — Date and time format | ISO | ISO 8601-1:2019 | 2026-08-05 | Tage zwischen zwei Daten, Werktage-Rechner |
| Pricing & Business Model | SCORE | — | 2026-08-05 | Stundensatz-Rechner |
| Gravel Calculator — volume, weight and coverage | CalculatorSoup | — | 2026-08-05 | Schotter-Rechner |
| Time zone database (tz database / IANA) | IANA | tzdata 2026a | 2026-07-15 | Zeitzonen-Umrechner, Meeting-Überschneidungen planen |
| Introducing JSON | JSON.org | — | 2026-07-15 | JSON-Formatierer & Validator, JSON-Minifier |
| RFC 4180 — Common Format and MIME Type for CSV Files | IETF | RFC 4180 (October 2005) | 2026-07-15 | CSV-zu-JSON-Konverter, JSON-zu-CSV-Konverter |
| RFC 4648 — The Base16, Base32, and Base64 Data Encodings | IETF | RFC 4648 (October 2006) | 2026-07-15 | Base64-Kodierer & -Dekodierer |
| Concrete calculator (bag yields) | Quikrete | — | 2026-07-15 | Beton-Rechner |
| Tile installation resources | Tile Council of North America (TCNA) | — | 2026-07-15 | Fliesen-Rechner |
| Flooring installation and care resources | National Wood Flooring Association (NWFA) | — | 2026-07-15 | Bodenbelag-Rechner |
| Counting tokens | Anthropic | — | 2026-08-05 | AI-Token-Zähler |
| API pricing | Anthropic | — | 2026-08-05 | AI-Token-Zähler |
| RegExp — JavaScript reference | MDN Web Docs | — | 2026-08-05 | Regex-Tester |
| GNU Diffutils Manual | GNU Project | — | 2026-08-05 | Text-Diff-Checker |
| RFC 3339 — Date and Time on the Internet: Timestamps | IETF | RFC 3339 (July 2002) | 2026-08-05 | Unix-Timestamp-Konverter |
| RFC 4122 — A Universally Unique IDentifier (UUID) URN Namespace | IETF | RFC 4122 (July 2005) | 2026-08-05 | UUID-Generator |
| Percentage Change: Formula and Examples | Investopedia | Article revision 2025 | 2026-08-11 | Prozentrechner |
| Percent problems — Arithmetic essentials | Khan Academy | Course material | 2026-08-11 | Prozentrechner |
| SI Brochure — The International System of Units (9th edition) | BIPM / NIST | SI Brochure, 9th edition (2019) | 2026-08-11 | Datengrößen-Konverter, Einheitenumrechner |
| NIST Handbook 44 — Specifications, Tolerances, and Other Technical Requirements | NIST | Handbook 44, 2026 edition | 2026-08-11 | Einheitenumrechner |
| Guide for the Use of the International System of Units (SI) | NIST | SP 811 (2008 edition) | 2026-08-12 | — |
| ISO 80000-1 — Quantities and units — Part 1: General | ISO | 2nd edition (2022) | 2026-08-12 | — |
| IEEE 754 — Standard for Floating-Point Arithmetic | IEEE | IEEE 754-2019 | 2026-08-12 | — |
| ECMAScript Internationalization API Specification | Ecma International | — | 2026-08-12 | — |
| Body mass index (BMI) | World Health Organization | — | 2026-08-11 | BMI-Rechner |
| About Adult BMI | U.S. Centers for Disease Control and Prevention | — | 2026-08-11 | BMI-Rechner |
| Gregorian calendar | Encyclopaedia Britannica | Encyclopedia entry | 2026-08-11 | Altersrechner |
| What is amortization and how could it affect my auto loan? | U.S. Consumer Financial Protection Bureau | — | 2026-08-11 | Darlehenstilgungsrechner |
| Amortization — formula and schedule | Investopedia | Article revision 2025 | 2026-08-11 | Darlehenstilgungsrechner |
| Compound Interest Calculator | U.S. Securities and Exchange Commission (investor.gov) | — | 2026-08-11 | Zinseszinsrechner |
| The Power of Compound Interest: Calculations and Examples | Investopedia | Article revision 2025 | 2026-08-11 | Zinseszinsrechner |
| encodeURIComponent() — JavaScript reference | MDN Web Docs | — | 2026-08-11 | URL-Encoder / Decoder |
| decodeURIComponent() — JavaScript reference | MDN Web Docs | — | 2026-08-11 | URL-Encoder / Decoder |
| CSS Color Module Level 4 — hex notation and rgb() | W3C | W3C Recommendation (2025) | 2026-08-11 | Hex-zu-RGB-Konverter |
| BigInt — JavaScript reference | MDN Web Docs | — | 2026-08-11 | Zahlenbasis-Konverter |
| NIST SP 800-63B — Digital Identity Guidelines: Authentication | National Institute of Standards and Technology | SP 800-63B-3 | 2026-08-12 | Passwort-Generator, Hash-Generator |
| Password Storage Cheat Sheet — password length guidance | OWASP Foundation | — | 2026-08-12 | Passwort-Generator |
| Web Crypto API — crypto.subtle | MDN Web Docs | — | 2026-08-12 | Hash-Generator |
| Crypto.getRandomValues() — cryptographically secure random values | MDN Web Docs | — | 2026-08-12 | Passwort-Generator |
| RFC 7519 — JSON Web Token (JWT) | IETF | — | 2026-08-12 | JWT-Decoder |
| RFC 7515 — JSON Web Signature (JWS) | IETF | — | 2026-08-12 | JWT-Decoder |
| crontab(5) — cron table file format | OpenBSD Manual Pages | — | 2026-08-12 | Cron-Builder |