1. Architectural design: In architectural design, irrational numbers are used to indicate angles or lengths that cannot be expressed by rational numbers. For example, the circumference and area of a circle can be expressed by the irrational number π.
2. Physics: In physics, irrational numbers are used to represent physical quantities that cannot be expressed by rational numbers. For example, the speed of light is an irrational number, equal to 299,792,458 meters per second.
3. Engineering: In engineering, irrational numbers are used to indicate the length, angle or time that cannot be expressed by rational numbers. For example, the pitch of gears can be expressed by an irrational number.
4. Computer science: In computer science, irrational numbers are used to represent data that cannot be represented by rational numbers. For example, in computer graphics, irrational numbers are used to represent angles or lengths that cannot be expressed by rational numbers.
5. Statistics: In statistics, irrational numbers are used to represent probabilities or proportions that cannot be expressed by rational numbers. For example, the six faces of the dice correspond to the six numbers 1 to 6 respectively, and none of them are rational numbers.
In short, irrational numbers are widely used in real life. They can not only help us better understand the world, but also help us solve many practical problems.