Ábaco Oriental/Bibliografía/Artículos en la Web

Artículos en la Web

• «The Definitive Higher Math Guide on Integer Long Division (and Its Variants)».

• Wilson, Jeff. «Long Division Teaching Aid, "Double Division"».

• Heffelfinger, Totton; Hinkka, Hannu. «The 5 Earth Bead Advantage».

• Heffelfinger, Totton; Tejón, Fernando. «Multifactorial Multiplication».

• «割り算九九».

• Heffelfinger, Totton. «Square Roots as Solved by Kojima».

• Siqueira, Edvaldo; Heffelfinger, Totton. «Kato Fukutaro's Square Roots».

• Treadwell, Steve. «Improvements to the Kato Method for Finding Square Roots».

• Baggs, Shane; Heffelfinger, Totton. «Cube Roots».

• Heffelfinger, Totton. «Suan Pan and the Unit Rod - Division».

• Heffelfinger, Totton. «Short Division Techniques - Chinese Suan Pan».

• Heffelfinger, Totton. «Long Division Techniques - Chinese Suan Pan».

• Heffelfinger, Totton. «Chinese Division Rules on a Soroban».

• Heffelfinger, Totton. «Traditional Multiplication techniques for Chinese Suan Pan - The "Extra Bead" and the "Suspended Bead"».

• Heffelfinger, Totton. «Suan Pan and the Unit Rod - Multiplication».

• Murakami, Masaaki. «Specially Crafted Division Tables».
• Murakami, Masaaki. «The Other Side of Soroban».
• Tejón, Fernando; Heffelfinger, Totton. «Complementary Numbers (Simplifying Subtraction & The Negative Answer)».
• Murakami, Masaaki. «Multiplication with Excessive multiplicand».
• Murakami, Masaaki. «Six multiplication methods».
• Murakami, Masaaki. «Division with Excessive Quotient».
• Tone?. «Square root and Cube root using Abacus».

• Murakami, Masaaki. «Calculating the lunar (Moon) phase by soroban».

• Murakami, Masaaki. «The 5th lower bead».

• «jccAbacus».
• Hosking, Rosalie Joan; Ogawa, Tsukane; Morimoto, Mitsuo. «Elementary Soroban Arithmetic Techniques in Edo Period Japan».