My information appliance is the latest one.

Your personal information will be strictly protected.

Information retrieval technology is essential for finding necessary information from a large amount of data.

Information theory is a field of study that mathematically analyzes the amount of information and the efficiency of its transmission.

He was playing the guitar at the street corner.

The opposite angles of a quadrangle intersect each other.

In this right triangle, since one angle is 30 degrees, its complementary angle is 60 degrees.

He is learning calligraphy with a square brush.

We need to calculate the azimuth of this building.

Anyway, we need to contact her.