16-year-old Helena Muffly wrote exactly 100 years ago today:
Tuesday, February 6, 1912: Am trying to get ready for monthly exams. They come tomorrow and the day after. I have sad hopes and misgivings for one study especially.
Source: Durrell’s School Algebra (1912)
Her middle-aged granddaughter’s comments 100 years later:
I’ve recently posted many of Grandma’s diary recent entries which indicated that she was working very hard on her algebra.
And, I’ve provided a lot of background information about algebra a hundred years ago. When I got ready to write this post, I wondered what else I might write about algebra.
To get inspiration, I flipped through a 1912 algebra textbook —and I happened to notice that one of the problems in the book was about the average height of males and females.—and it included a data table with heights for selected ages between 3 and 21.
This reminded me that…
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