How much is the price of this product?

He is deserving of that award.

Calculating the arctangent, which is one of the trigonometric functions, is difficult.

This is my first question.

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

Please find the derivative of this function.

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

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

This eigenfunction is one of the fundamental concepts of quantum mechanics.

This program makes extensive use of built-in functions.