### http://www.jeuxcasio.com ###

©(ln X)'=1¹X
©ln 1=0
©ln ¥=1

©ln (XY)=ln X‰ln Y
©ln (X›)=‡ln X
©ln (X¹Y)=ln X™ln Y
©ln (X¨N)=Nln X

©LIM{XÞ0}ln X=‡..
©LIM{XÞ‰..}ln X=‰..
©LIM{XÞ‰..}ln X¹X=0‰
©LIM{XÞ0‰}Xln X=0‡

©[ln (U)]'=U'¹U