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ZERO                                                                                               Slow on
                                                                                                                         the Uptake


                                                                                                                         It took some time for zero to catch

                                                                                                                         on in Europe. Roman numerals were
          Zero is neither a positive nor a negative
          number—it means an absence of value.                                                                           still favored over Arabic numerals
          It is used as a placeholder in many                                                                            (1, 2, 3, etc.) right up to 1500 ce.

          numbers, such as in the number 10.                                                                             European mathematicians couldn’t
          Placing a zero after the numeral one                                                                           understand how a number could

          changes its value to ten.                                                                                      mean nothing!






                               NEGATIVE NUMBERS                                                                        POSITIVE NUMBERS                                           A stone inscription
                                     ...-5 -4 -3 -2 -1                                                                 1 2 3 4 5...                                              dating from 875 ce on
                                                                                                                                                                                 the Chaturbhuj Temple
                                                                                                                                                                                 in India features one of
                                                                                                                                                                                 the earliest uses of zero.

                                                                                                                       Complex
                                                                                     Zero was
           Sporting                                                         500 ce in India. Once                      Calculations
                                                                              created in around
           Zero                                                             zero was invented,                         Being able to use zero allowed Indian


           There are                                                        mathematics was                            astronomers to make complex calculations

           other names for                                              transformed. “Nothing”                         that took their math way beyond that of
                                                                            had a numeral!
           zero, especially                                                                                            European scientists. They used their
           in sport. In soccer                                                                                         advanced math to figure out that the Earth
           it is called “nil,” in                                                                                      spins on its axis and that it moves around

           tennis it is known as                                                                                       the Sun. It would be another thousand
           “love,” and in cricket a                                                                                    years before the Polish astronomer

           score of zero is called a “duck.”                                                                           Copernicus worked this out!
                                                                                                                                                              Copernicus




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