I am working using a spreadsheet software.

His calculating nature sometimes causes problems.

It's difficult to solve this formula.

The Book of Documents is an ancient Chinese history book and a very important document.

This document, known as a 'jisho', has the Emperor's seal on it.

He reads the gospel every day.

I set aside time for reading every day.

Please read this instruction manual carefully before using the product.

This book was required reading at my university.

This protocol was created based on international law.