Similar to ステレオ投影

9th Infantry Division (South Korea)

11th Maneuver Division

12th Infantry Division (South Korea)

Twenty-Fifth Army (Japan)

31st Division (Imperial Japanese Army)

33rd Division (Imperial Japanese Army)

81st Group Army

105th Armored Division (North Korea)

1952 in music

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Hundredth

Annals of Mathematics

Axiom (computer algebra system)

Circumgon

Theorema Egregium

Lars Ahlfors

Aida Yasuaki

Almagest

Outline of astronomy

(6178) 1986 DA