Innovators of Acclaimed Singapore Math Program Develop Pioneering Math App for …
MarketWatch (press release)
BOSTON, Jan 05, 2012 (BUSINESS WIRE) — Global education leader Houghton Mifflin Harcourt (HMH) today announced Singapore Math, Bar Models, an exciting new educational app for iPad(R) now available in the Apple App Store. Closely aligned with HMH's …

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