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Numerical analysis is a branch of mathematics that studies techniques and theories for solving mathematical problems numerically.

The teacher gave me a book.

The teacher gave me some advice.

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

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

He has the alias 'Genius' because of his talent.

He cut the apple into exactly two equal parts.

His heart was broken in two.

He solved complex mathematical problems using his new calculator.