Functions
ICSE · Class 9 · Robotics & Artificial Intelligence
Complete topic list for Functions in ICSE Class 9 Robotics & Artificial Intelligence. Key concepts, sub-topics, and what to focus on for board exams.
Interactive on Super Tutor
Studying Functions? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.
1,000+ Class 9 students started this chapter today
Topics in Functions
1. What a function is
- A function is a block of code which only runs when it is called.
- A function can accept data known as parameters.
- A function can return data as a result.
2. Built-in functions and type conversion
- Built-in functions are already available in Python.
- int() converts a value to an integer.
- float() returns a floating-point number from a number or numeric string.
3. Module functions and math module
- Functions defined within modules are used by importing the module first.
- The math module provides functions for mathematical work.
- math.pi can be used in the area of a circle example.
4. User-defined functions
- User-defined functions are written by the user for a specific task.
- A user-defined function has three important components: function declaration, function definition, and function call.
- The def keyword is used to declare a user-defined function.
Key Concepts
Central concept: Functions
Frequently Asked Questions
What are the important topics in Functions for ICSE Class 9 Robotics & Artificial Intelligence?
How to score full marks in Functions — ICSE Class 9 Robotics & Artificial Intelligence?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Functions
Practice Quiz
Test yourself with a quick quiz
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Functions chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 9 Robotics & Artificial Intelligence.