This is our official website.

He is majoring in aerospace engineering.

He is attending a college preparatory school.

I found a 'Shinjiro Koizumi phrase' on the internet and couldn't help but laugh.

He is unsociable, so he doesn't participate in parties much.

The subscription fee for this magazine is 1000 yen per month.

These vectors are orthogonal.

These lines intersect orthogonally.

He has a collection of old banknotes.

Spectroscopy is an important means of investigating the properties of matter.