Instituto para la
Investigación Educativa
y el Desarrollo Pedagógico

Perhaps you should try some spelling variations:
"history de matematicas" » "history las matematicas", "history la matematicas", "history en matematicass", "history y matematicass", "historia de matematicas", "history a matematicas", "historia del matematicas"
"history of mathematics" » "history in mathematics", "history con mathematica"
"history de matematica" » "history la matematica", "history en matematicas", "history y matematicas", "historia de matematica", "history a matematica", "historia del matematica"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("history de matematicas") OR ("history of mathematics"))) OR ("history de matematica"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"history de matematicas\") OR (\"history of mathematics\"))) OR (\"history de matematica\"))".
• Removing quotes may allow a broader search: (((( history de matematicas ) OR ( history of mathematics ))) OR ( history de matematica )).
• Adding a wildcard symbol may retrieve word variants: (((("history de matematicas") OR ("history of mathematics"))) OR ("history de matematica"))*.