PlanetMath (more info)
 Math for the people, by the people.
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01A07 - History and biography :: History of mathematics and mathematicians :: Ethnomathematics, general

  1. calculator owned by PrimeFan
  2. Grapher owned by PrimeFan
  3. Mac OS Calculator owned by PrimeFan
  4. MathML owned by PrimeFan
  5. mock-up of a basic calculator owned by PrimeFan
  6. Windows Calculator owned by PrimeFan
  7. world records in mathematics owned by PrimeFan

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