নেপিড’নেপুৰ
নেপিৰিয়ান লগাৰিথিম (Assamese)
1. The term Napierian logarithm or Naperian logarithm, named after John Napier, is often used to mean the natural logarithm. Napier did not introduce this natural logarithmic function, although it is named... from wikipedia.org