Skip to main content
Super TutorResources
Chapter 17 of 22
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Revision Notes

Functions

ICSE · Class 9 · Robotics & Artificial Intelligence

Quick revision notes for Functions — ICSE Class 9 Robotics & Artificial Intelligence. Key concepts, formulas, and definitions for last-minute revision.

61 questions40 flashcards5 concepts

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 revision notes and more.

Try Super Tutor — Free

1,000+ Class 9 students started this chapter today

Key Topics to Revise

1

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

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

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

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.

Get complete notes with diagrams and examples

Full Notes

Key Concepts

A function is a blockThese are functions already availableint() converts a value toinput() accepts input from the usereval() evaluates the value of

Frequently Asked Questions

What are the important topics in Functions for ICSE Class 9 Robotics & Artificial Intelligence?
Functions covers several key topics that are frequently asked in ICSE Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Functions — ICSE Class 9 Robotics & Artificial Intelligence?
Understand the core concepts first, then work through the 61 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Functions

All 22 chapters — ICSE Class 9 Robotics & Artificial Intelligence Revision Notes

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.

Try Super Tutor Free
Try the full chapter — Free