اما كتاب "Arithmetic for Schools" الصادر عام 1895 يقول: "عندما يؤخذ عدد كبير من التسعات؛ فان الفرق بين ال 1 و ...999.
Moreover, one can directly demonstrate that the decimals 0.999... and 1.000... both represent the same real number; it is built into the definition.