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Re: Practical Haversine Use
From: Fred Hebard
Date: 2021 Nov 14, 16:16 -0500
From: Fred Hebard
Date: 2021 Nov 14, 16:16 -0500
and into the 1970s. The HP 35 was introduced in 1972, and I believe Wikipedia is correct in calling it the world’s first scientific pocket calculator. I had to use 5-place logarithms to reduce some physical chemistry lab data in the fall of 1972, the HP 35 being too expensive for this undergraduate.. Those 5-place logs were hard on my tired brain at the end of that semester.
On Nov 14, 2021, at 13:45, Frank Reed <NoReply_FrankReed@fer3.com> wrote:By the way, these "10+" logarithms were simply "standard logarithms" for many practical users from the late 18th century and into the 1960s.
