Radioactive elements are produced in nature and scientific experiments.

I create a balance sheet every month to understand my financial situation.

I analyze data using a spreadsheet software.

Let's look at this truth table and understand the result of the logical expression.

He wrote his name using a logogram.

This sentence contains non-Jōyō kanji.

The epicranius muscle is one of the important muscles for making facial expressions.

The concept of chemical equivalent is essential for understanding chemical reactions.

My company specializes in the manufacture of fine chemicals.

Chemotransmitters play an important role in the transmission of information between nerve cells.