Pembicaraan:0 (angka)

Pembedaan antara bilangan dan angka

Perlu dibedakan antara "bilangan" ("number") dan "angka" (digit). Bilangan menunjukkan kuantitas, atau besaran numerik. Di dalam sistem desimal terdapat sepuluh angka, yaitu 0, 1, 2, 3, 4, 5, 6, 7, 8, dan 9. Kesepuluh angka itu, dalam bentuk persendiriannya, atau bila dipadukan, akan membentuk "lambang bilangan" yang menunjukkan besaran numerik, persisnya bilangan. Mengenai penyusunan urutannya (kanan-kiri, kiri-kanan, atas-bawah, bawah-atas, diserahkan kepada sistem/perjanjian penulisan bahasa yang digunakan.

Contoh:

• "6" (baca: enam)adalah bilangan yang disajikan oleh lambang bilangan yang terdiri dari satu angka 6.
• "39" (baca: tiga puluh sembilan) adalah bilangan yang disajikan oleh lambang bilangan yang terdiri dari dua angka berturut-turut 3 dan 9.

Jadi, bilangan disajikan oleh lambang bilangan, di mana lambang bilangan disusun oleh paling sedikit satu angka (menurut konteks himpunan bilangan cacah).

Di dalam matematika, perlu dibedakan pula antara "kosong" dan "nol". "Kosong" adalah kebalikan (atau lawan) dari "berisi" (atau bernilai). Nol sendiri adalah bilangan yang menyatakan nilai, nol tidak memiliki kebalikan (inverse), baik itu menurut perjumlahan, atau perkalian.

Kesimpulan, judul dan/atau isi artikel ini perlu diralat dan diperjelas.

Reindra (bicara) 03:17, 25 Januari 2010 (UTC)

External links found that need fixing (November 2024)

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