A.B.C-Z - Wikipedia
ウェブ17 時間前 · Roman numerals are a numeral system that originated in ancient Rome and remained the usual way of writing numbers throughout Europe well into the Late Middle Ages. Numbers are written with combinations of letters from the Latin alphabet, each letter with a fixed integer value. Modern style uses only these seven: I V X L C D M 1 5 10 …
ウェブ17 時間前 · French orthography encompasses the spelling and punctuation of the French language.It is based on a combination of phonemic and historical principles. The spelling of words is largely based on the pronunciation of Old French c. 1100–1200 AD, and has stayed more or less the same since then, despite enormous changes to the …
ウェブ17 時間前 · Fermat–Catalan conjecture. In number theory, Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers a, b, and c satisfy the equation an + bn = cn for any integer value of n greater than 2. The cases n = 1 and n = 2 have been known since antiquity to have …
List of astronauts by name - Wikipedia
ウェブ17 時間前 · Vladimir Aksyonov — Soyuz 22, Soyuz T-2. Buzz Aldrin — Gemini 12, Apollo 11. Second person to walk on the Moon. Aleksandar Panayotov Aleksandrov — Soyuz TM-5. Aleksandr Pavlovich Aleksandrov — Soyuz T-9, Soyuz TM-3. Ali AlQarni — Axiom Mission 2. Andrew M. Allen — STS-46, STS-62, STS-75. Joseph P. Allen — STS-5, …
Normal distribution - Wikipedia
ウェブ17 時間前 · Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
