Short for 関西地方 (Kansai-chihō): the center-west area of Japan between the 中国 (Chūgoku) and 中部 (Chūbu) regions

(mathematics) formula

(rare) computer

calculation / forecast

(uranography) Winter Triangle - a bright asterism of the northern winter sky. Its corners are the stars Betelgeuse, Procyon, and Sirius.

(uranography) Summer Triangle - a bright asterism of the northern summer sky. Its corners are the stars Altair, Deneb, and Vega.

a triangle (polygon)

spreadsheet - manual calculation of digits in the grids / (computing) spreadsheet - automatic calculation of digits in the grids by using computer.

(computer science) time complexity

(chemistry) silicate