Update app.py

app.py

@@ -822,10 +822,10 @@ This demo presents a GPT-style Multi-Agent AI Assistant, built with **LangChain,
 
 Supported features:
 - 📄 **Document Summarisation** (PDF, DOCX, TXT)
-- ❓ **FAQ-style Q&A based on uploaded documents**
-- 🌐 **Live Web Search** (Online Retrieval-Augmented Generation)
-- 📅 **Real-time Date & Time**
-- ➗ **Math and Logic Calculations**
+- ❓ **FAQ-style Q&A based on uploaded documents** (RAG-based)
+- 🌐 **Live Web Search** (Online RAG + GPT post-processing summary)
+- 📅 **Real-time Worldwide Date & Time** (LLM + GeoLocator + TimezoneFinder, supports any city globally)
+- ➗ **Math and Logic Calculations** (from scientific equations to financial or tax-related use cases)
 - 💬 **General Chatting / Reasoning**
 
 You can upload a document and ask related questions, or just type a question directly—no file upload required.
@@ -835,7 +835,7 @@ You can upload a document and ask related questions, or just type a question dir
 1. Summarise the document. *(→ Summarisation Agent)*
 2. What are the key ideas mentioned in this file? *(→ RAG QA Agent)*
 3. What is LangChain used for? | What are the latest trends in AI startups in 2025? | Tell me the most recent breakthrough in quantum computing. *(→ Online Rag Agent)*
-4. What's the current time in London? *(→ Time Agent)*
+4. What's the current time in London? | What’s today’s date in New York? | What time is it in Taipei right now? *(→ Time Agent)*
 5. If I earn $15 per hour and work 8 hours a day for 5 days, how much will I earn? | What is 5 * 22.5 / sin(45) | 3^3 + 4^2 | Calculate 25 * log(1000) | What is the square root of 144 *(→ Math Agent)*
 6. Who are you? | What can you do? | What is the meaning of life? *(→ General Chat Agent)*
 """