I. Applications in daily life
1. Shopping calculation: When shopping, we often need to calculate prices and make comparisons. With a calculator, we can quickly calculate the total price, discounted price of goods, etc., making shopping more convenient. 2. Financial management: For individuals or businesses, financial management is an important task. Calculators can help us quickly calculate income, expenses, taxes, etc., making financial management more efficient and accurate. 3. Cooking in the kitchen: When cooking, we often need to calculate the quantity of ingredients, the ratio of seasonings, etc. Using a calculator can quickly obtain accurate results, making our cooking more scientific and delicious. II. Applications in scientific research and engineering fields 1. Scientific research: In scientific research, calculators are widely used in various complex mathematical models and formula calculations. Through calculators, scientists can quickly obtain research results and accelerate the process of scientific research.2. Engineering calculations: In the engineering field, calculators can help engineers perform various complex engineering calculations, such as building structure calculations, circuit design, etc. These calculations require a high degree of precision, which can be easily met by calculators.