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The Abacus-This was one of the earliest manual computer in the history of computer evolution.

摘要[編輯]

描述
Bahasa Indonesia: Sempoa
Deutsch: Abakus
English: Abacus
Español: Ábaco
Français : Abaque
Svenska: Abakus, Kinesisk
來源
  • Article for "abacus", 9th edition Encyclopedia Britannica, volume 1 (1875); scanned and uploaded by Malcolm Farmer
  • Transferred from en.wikipedia to Commons.
作者 Encyclopædia Britannica

協議[編輯]

Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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現時2023年8月21號 (一) 21:10響2023年8月21號 (一) 21:10嘅縮圖版本247 × 145(26 KB)Obscure2020傾偈 | 貢獻Optimized with OxiPNG and ZopfliPNG.
2005年5月18號 (三) 10:53響2005年5月18號 (三) 10:53嘅縮圖版本247 × 145(33 KB)Luestling~commonswiki傾偈 | 貢獻{{English}} Abacus<br> {{German}} Abakus Scanned and uploaded by Malcolm Farmer (englische Wikipedia) '''Source:''' Article for "abacus", 9th edition Encyclopedia Britannica, volume 1 (1875) {{PD}} Category:History of mathematics

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