One word in this sentence has one wrong letter. Write it correctly. A rocket calculator is useful when shopping in the supermarket.

Expert Answers
handbooktoliterature eNotes educator| Certified Educator

A pocket calculator is useful when shopping in the supermarket.

udonbutterfly | Student

A rocket calculator is useful when shopping in the supermarket.

In this sentence the "r" in rocket needs to be replaced with a "p" in order to make pocket so...

A pocket calculator is useful when shopping in the supermarket.

It is quite obvious since a rocket calculator sounds like a fake object.