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Long summer days. With children.

Mrmoosie's family is visiting, so we are having a lot of fun, but getting totally off schedule.

I spent three hours today on a practice test for chemistry. I actually did quite well, so I am feeling more confident. It was long and exhausting, however.

Not really sure how to take logarithms without a table of them or a calculator. Is this something I learned in math, or never learned? I do remember using the tables of logarithms.

Date: 2012-07-08 02:53 am (UTC)
From: [identity profile] metageek.livejournal.com
I don't know any practical way to do logarithms except a table (and interpolation) or a calculator. I can approximate, sometimes, by knowing the common log of 2, 3, and 5, and factoring the number I need, or one near it. That's really only good for mental back-of-the-envelope work, though.

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