Best paper I've read so far this month:
All elementary functions (sin, cos, tan, exp, log, powers, roots, hyperbolic functions, π, e, and even basic arithmetic) can be generated from just one binary operator:
eml(x, y) = exp(x) − ln(y)
…plus the constant 1.
Earthset.
The Artemis II crew captured this view of an Earthset on April 6, 2026, as they flew around the Moon. The image is reminiscent of the iconic Earthrise image taken by astronaut Bill Anders 58 years earlier as the Apollo 8 crew flew around the Moon.
JOASの顧問・川崎敏和氏が3月4日に逝去されましたことを、謹んでお知らせいたします。
https://t.co/7W6PcKb00P
We regret to inform you that JOAS's advisor, Dr. KAWASAKI Toshikazu, passed away on March 4th.