In linear algebra, the upper triangular matrix plays a very important role.

A diagonal matrix is a matrix in which all elements outside the main diagonal are zero.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.

She is wearing braces.

In this experiment, we will measure the critical Reynolds number.

I am currently reading Numbers.

What is the value below this decimal point?

She is a famous numerologist, and many people seek her advice.

Please teach me how to find the greatest common divisor.

In Japanese grammar, 'n-row irregular conjugation' is a very important concept.