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5 июн 1985 г. - Graphing Calculator

Описание:

The handheld graphing calculator is introduced to schools. Making math a less time consuming and more individualized subject.

Добавлено на ленту времени:

Tech in the Classroom :)

ByVictoria Sisson

25 окт 2018

0

0

332

Дата:

5 июн 1985 г.

Сейчас

~ 40 г назад

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