미분과_차분 Copy: 미분과_차분 has NO comma Hide Show 미분,differential $\displaystyle ds$ 차분,difference $\displaystyle \Delta s$ { ex.(del ok) https://ko.wikipedia.org/wiki/자기회귀누적이동평균#차분 } 해당 방정식,equation: 미분방정식,differential_equation 차분방정식,difference_equation See 미분방정식과_차분방정식,differential_equation_and_difference_equation
