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Soroban or 9 bead abacus
Author:
James Monaghan
Topic:
Addition
,
Arithmetic
,
Arithmetic Operations
Soroban or 9 bead abacus.
GeoGebra
Modified copy of Jerzy Mil's soroban.
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Mortgage Rate vs. Monthly Payment
The Pipeline Problem
Suma de ángulos
Taylor expansion of e^x: centered at 0 and 1
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