Green Bridge Learning Resource For Electronic Calculators

Overview

Paper 2 of the Edexcel IGCSE Mathematics exam allows a scientific calculator, and knowing how to use it efficiently can save valuable time. Entering complex expressions correctly, using memory and fraction keys, and interpreting the display are all skills that separate a confident candidate from one who wastes marks on input errors.

This topic covers the key functions of a scientific calculator, from entering standard-form numbers to using the ANS key for multi-step calculations.

Lesson Evaluation

Congratulations on completing the lesson on Electronic Calculators. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

To enter 2.5 x 10^6 on a calculator, you should press: A) 2.5 x 10 ^ 6 B) 2.5 EXP 6 C) 25 EXP 5 D) 2.5 x 1000000 Answer: B
What must you check before using trigonometric functions? A) The calculator is in fraction mode B) The calculator is in DEG mode C) Memory is cleared D) The battery level Answer: B
To calculate (3+5)/(4-1) on a calculator, which is correct? A) 3+5/4-1 B) (3+5)/(4-1) C) 3+5/(4-1) D) (3+5)/4-1 Answer: B
The ANS key on a calculator: A) Deletes the last entry B) Stores a value in memory C) Recalls the result of the previous calculation D) Resets the calculator Answer: C
A calculator shows 3.5-04. This means: A) 3.504 B) 3.5 x 10^-4 C) 3.5 - 4 D) 350 400 Answer: B