Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

Object-oriented programming is an important method for improving the efficiency of software development.

A transcendental function is a type of function that cannot be expressed as a solution to an algebraic equation.

An elementary function is one of the basic functions in mathematics.

Algebraic functions are a part of mathematics, and understanding them is important.

In quantum mechanics, the state of a particle is described by a wavefunction.

My scientific calculator can perform very advanced calculations.

In order to find the inverse function, you need to solve the original function's equation for x and y.

Understanding real variable functions is important for learning the basics of advanced mathematics.