This link has been bookmarked by 44 people . It was first bookmarked on 12 Jul 2006, by someone privately.
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14 Oct 11
EMU - gymnasiale udd. Danmarks undervisningsportalFag: Matematik
Titel: Abacus
Kunsten at regne på en Abacus gennemgås (Java). Regningsarterne addition og subtraktion gennemgås. Figurer forklarer, hvordan den fungerer. Hertil en historisk gennemgang af regning på Abacus.
Udgiver: Ryerson University, Ontario, Canada
Emneord: kugleramme kinesisk kugleramme, Regningsarterne
Type(r): Undervisningsforløb og -oplægUngdomsuddannelser Gymnasiale ungdomsuddannelser Historisk matematik Matematik Undervisere fig_gym_Matematik emu.dk
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01 Oct 11
EMU-test AarhusKunsten at regne på en Abacus gennemgås (Java). Regningsarterne addition og subtraktion gennemgås. Figurer forklarer, hvordan den fungerer. Hertil en historisk gennemgang af regning på Abacus. - Udgiver: Ryerson University, Ontario, Canada - Emneord: kugleramme kinesisk kugleramme, Regningsarterne - Typer: Undervisningsforløb og -oplæg
Ungdomsuddannelser Gymnasiale ungdomsuddannelser Historisk matematik Matematik Undervisere fig_gym_Matematik emu.dk
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FISD SECONDARY RESOURCESThis site about the Abacus and The Art of Calculating with Beads earned a Scientific American Sci/Tech Web Award. It includes an interactive tutor, an extensive abacus history, a group of frequently asked questions, and a list of alternate abacus resource
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Stephanie BevierThis Site offers a wealth of information regarding the abacus including its history, several articles, how it is used and many illustrations. One of these articles is on how an abacus beat a calculator in doing several calculations in a very important due
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