# 30 Use cases: All use cases | IT-INTERDEV > 30 use cases, Thirty examples from everyday work, in plain language. Choose a field or search for a keyword. Language: en · Source: https://it-interdev.de/en/use-cases/ · Alternate (de): https://it-interdev.de/anwendungen/ · Updated: 2026-10-05 Thirty examples from everyday work, in plain language. Choose a field or search for a keyword. ## Office and administration - [Have an invoice checked](https://it-interdev.de/en/use-cases/check-an-invoice.md): The AI reads the invoice and shows what stands out. - [Summarise a contract](https://it-interdev.de/en/use-cases/summarize-a-contract.md): The AI turns a long contract into one page. - [Reply to an email](https://it-interdev.de/en/use-cases/draft-an-email-reply.md): The AI writes a draft of your reply. - [Compare two quotes](https://it-interdev.de/en/use-cases/compare-two-quotes.md): The AI puts quotes side by side and names the differences. - [Analyse a customer list](https://it-interdev.de/en/use-cases/analyze-a-customer-list.md): The AI finds patterns in a table without seeing real customer names. - [Understand a letter from an authority](https://it-interdev.de/en/use-cases/explain-an-official-letter.md): The AI explains a difficult letter in plain words. ## Energy and farming - [Re-calculate an electricity bill](https://it-interdev.de/en/use-cases/re-check-an-electricity-bill.md): The AI checks whether prices and quantities on the bill fit together. - [Check a direct-marketer settlement](https://it-interdev.de/en/use-cases/check-a-feed-in-settlement.md): The AI compares quantity, market value and credit. - [Have a load profile explained](https://it-interdev.de/en/use-cases/explain-a-load-profile.md): The AI explains peaks and patterns in your consumption data. - [Analyse a plant's operating log](https://it-interdev.de/en/use-cases/analyze-an-operating-log.md): The AI looks for faults and patterns in your notes. - [Review a grant application](https://it-interdev.de/en/use-cases/review-a-grant-application.md): The AI checks whether something is missing or does not fit. - [Understand a letter from the grid operator](https://it-interdev.de/en/use-cases/understand-a-grid-operator-letter.md): The AI explains what the letter says and what to do. - [Summarise a service report](https://it-interdev.de/en/use-cases/summarize-a-service-report.md): The AI turns a long report into a short list. ## Law, tax and consulting - [Polish a legal brief](https://it-interdev.de/en/use-cases/polish-a-legal-brief.md): The AI makes a draft clearer without seeing client names. - [Summarise a case file](https://it-interdev.de/en/use-cases/summarize-a-case-file.md): The AI writes an overview of a long matter. - [Explain a tax assessment](https://it-interdev.de/en/use-cases/explain-a-tax-assessment.md): The AI explains what the assessment says and what has changed. - [Write a letter to clients](https://it-interdev.de/en/use-cases/write-a-client-letter.md): The AI suggests a letter that you adapt. ## Medical practice and care - [Write a newsletter for patients](https://it-interdev.de/en/use-cases/write-a-patient-newsletter.md): The AI helps with texts that contain no personal data. - [Clarify a billing question without patient data](https://it-interdev.de/en/use-cases/clarify-a-billing-question.md): The AI explains rules. Patient data stays with you. ## Municipalities and the public sector - [Explain a council proposal simply](https://it-interdev.de/en/use-cases/simplify-a-council-proposal.md): The AI turns a long proposal into a text for everyone. - [Answer a citizen's inquiry](https://it-interdev.de/en/use-cases/answer-a-citizen-inquiry.md): The AI writes a draft reply. - [Explain facility operating data](https://it-interdev.de/en/use-cases/explain-facility-data.md): The AI explains figures from a pool, a heating system or a heat network. ## Construction and trades - [Review a bill of quantities](https://it-interdev.de/en/use-cases/review-a-bill-of-quantities.md): The AI looks for gaps and contradictions. - [Analyse a site diary](https://it-interdev.de/en/use-cases/analyze-a-site-diary.md): The AI shows delays and their reasons. - [Match an invoice with the measurement](https://it-interdev.de/en/use-cases/match-invoice-and-measurement.md): The AI shows where the invoice and the measurement do not fit. ## Software development and IT - [Analyse an error log](https://it-interdev.de/en/use-cases/analyze-an-error-log.md): The AI finds the cause. Passwords and customer names stay secret. - [Review a configuration file](https://it-interdev.de/en/use-cases/review-a-config-file.md): The AI looks for errors and insecure settings. - [Have code explained and reviewed](https://it-interdev.de/en/use-cases/explain-and-review-code.md): The AI explains code or suggests improvements. - [Use database extracts for tests](https://it-interdev.de/en/use-cases/use-database-extracts-for-tests.md): The AI gets sample data, but no real people. - [Get help with an SQL query](https://it-interdev.de/en/use-cases/get-help-with-sql.md): The AI builds or explains a query. Customer names stay secret.