Update app.py

app.py

@@ -164,9 +164,9 @@ The proof question MAY NOT:
 """,
         "computation": """
 The computation question MUST:
-- Require specific numerical or algebraic calculations
+- Require specific algebraic calculations
 - Focus on mathematical techniques
-- Have concrete answers in the form of numbers or algebraic expressions
+- Have concrete answers in the form of algebraic expressions (about half of questions) or numbers (about half of questions)
 - Test procedural knowledge
 
 The computation question MAY NOT: