並前往https://ocw.nthu.edu.tw/ocw/upload/7/news/L26_The%20logarithm%20Function,%20part%20I%20(Conti.)%20(%E7%BA%8C.%E5%B0%8D%E6%95%B8%E5%87%BD%E6%95%B8)%207.3%20The%20logarithm%20function,%20part%20II%207.4%20The%20exponential%20function%20(%E6%8C%87%E6%95%B8%E5%87%BD%E6%95%B8).pdf
