積分 e^(-x^ 2 ) 從負無窮到正無窮, Gaussian integral, integral of e^(-x^ 2 ) from -inf to inf, sqrt(pi), sqrt(π),blackpenredpen, math for fun. ... <看更多>

Is there really no way to find the integral of e−x2, or are the methods to finding it found in branches higher than second semester ... ... <看更多>

2022-05-22 2:51. 看完就想到"回到未來"的劇情。 若是真有能回到過去的機器。 我想人人都可以100萬賺到50億。 EX：10幾年前"比特幣"剛起步，就算只 ... ... <看更多>

Trigonometric Integrals --- ∫sin^n(x)cos^m(x)dx via Pythagorean or Half-Angle Identities. Intro to Trigonometric Substitution --- Ex: Deriving Area of Circle ... ... <看更多>