看完這個..你還敢在山路上亂飆車嗎?
how do i use excel's natural log function with negative numbers?電影《頭文字D》中把山路當做賽車跑到競速,現實中也有熱愛此道的車手,不過這回壓車時「大雷殘」,騎士整個人往山壁撞上... 所幸沒有危及他人,騎士也還能自行起身,但他全身上下多處已經嚴重擦傷。 im looking for the natural log (NL) or LOGe or e, however you choose to write it. the exact formulae/equation i wish to enter is Um=U((1-e(-t/T)). unfortunatley Excel doesn't like it, even when brocken down. could you help further? "Gary''s Student" wrote...
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