▽妖精現実 ﾌｪｱﾘｱﾙ - faireal.net
●01/19 07:27
2025-01-16 なぜ 1 + 2 + 3 + 4 は 5 の倍数か？ 簡単なようで深遠1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 という和をご存じの方は多いだろう｡12 + 22 + 32 + 42 + 52 = 1 + 4 + 9 + 16 + 25 も = 55 だっ！結果が同じ 55 になるのは｢偶然｣だが､もう少し足し算すると:1 + 2 + ··· + 10 + 11 + 12 + 13 = 55 + 11 + 12 + 13 = 9112 + 22 + 32 + 42 + 52 + 62 = 55 + 36 = 91また一致したっっ！これも｢単なる偶然｣なのだが､好奇心を刺激する｡｢偶然ではない隠れた性質｣もある｡最初の例で､｢11｣の手前の 10 まで足した和 55 は｢11｣の倍数｡二番目の例で､｢7｣の手前の

▽Blackmagic Design
●01/02 20:37
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▽Fraternity7｜MPlayer & MEncoder, H.264/AVC, x264, MP4, MPEG-4 on MacOSX
●01/02 04:05
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▽WavPack Audio Compression
●03/04 12:44
WavPack 5.7.0 features include:Ability to utilize multicore CPUs for greatly improved performance (5.7.0)

▽AviUtlのお部屋
●05/15 06:29
商用を目的とした業務でも使用できます｡