If a lower number is required , changes are calculated to improve the score .
When a lower number is calculated , changes are required to improve the score .

Are these two sentences paraphrases of each other?
no

The second was a 4-track studio session and the first six tracks recorded at the reading festival .
The first was a four lane studio session and the second six tracks at the Reading Festival .

Are these two sentences paraphrases of each other?
no

On 12 March 1801 '' Eling '' sailed with the British fleet under Admiral Sir Hyde Parker and was at the Battle of Copenhagen ( 1801 ) .
On March 12 , 1801 , '' Eling was sailing with the British fleet under Admiral Sir Hyde Parker and became the Battle of Copenhagen ( 1801 ) .

Are these two sentences paraphrases of each other?
yes

Then he taught in Ohio , Ithaca , Dayton , Pennsylvania ( Cornell University ) , New York City ( Penn State ) , and Minneapolis , Duluth .
He then taught in Ohio , Ithaca , Dayton , Pennsylvania ( Cornell University ) , New York City ( Penn State ) , and Minneapolis , Duluth .

Are these two sentences paraphrases of each other?
yes