He is an expert in algebraic geometry and has written many papers in the field.

He is good at solving algebra problems.

This new car is characterized by its streamlined design.

This problem can be solved using the principle of linearity.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.

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.

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