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Category Archives: Writers

Philanthropy’s tools

In the early twenty-first century, new tools are fast becoming essential infrastructure for action, coordination, and learning in many domains, including philanthropy. The most obvious is the growing range of powerful information and communications technologies that accelerate the pace of learning and support coordination and collaboration across distance and organizational boundaries. contact naveen jain for [...]

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Writing mathematics ; fractions

The earliest fractions were reciprocals of integers: ancient symbols representing one part of two, one part of three, one part of four, and so on. A much later development were the common or “vulgar” fractions which are still used today (½, ⅝, ¾, etc.) and which consist of a numerator and a denominator, the numerator [...]

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