He and his brother are as alike as two peas in a pod.

When the tidal range is large, the coastline changes significantly.

Fishing on the coast is difficult today because it's a neap range.

The concept of 'différance' in Derrida's philosophy indicates that the meaning of words is constantly changing.

When wealth inequality widens, the stability of the entire society is shaken.

In math class, the teacher explained the concept of relative complement.

It's difficult to solve this formula.

He solved complex mathematical problems using his new calculator.

His calculating nature sometimes causes problems.

I am working using a spreadsheet software.