Physics: In the 7th century, negative numbers were used in calculations in India which was innovative because Europeans dismissed these numbers as absurd until the 17th century, when they gained widespread acceptance due to their practical use in accounting and bookkeeping.

In the 7th century, negative numbers were used in calculations in India which was innovative because Europeans dismissed these numbers as absurd until the 17th century, when they gained widespread acceptance due to their practical use in accounting and bookkeeping.