e1 Math Constants 사용하기 출처: MSDN The following symbols are defined for the values of their indicated expressions: Symbol Expression Value M_E e 2.71828182845904523536 M_LOG2E log2(e) 1.44269504088896340736 M_LOG10E log10(e) 0.434294481903251827651 M_LN2 ln(2) 0.693147180559945309417 M_LN10 ln(10) 2.30258509299404568402 M_PI pi 3.14159265358979323846 M_PI_2 pi/2 1.57079632679489661923 M_PI_4 pi/4 0.785398163397448309616.. 2010. 9. 30. 이전 1 다음