How to compute logs in MATLAB

How do I compute logs with something other than the natural base in matlab like log8(20)?

[madhan ravi]

OP‘s question:

How do I compute logs with something other than the natural base in matlab like log8(20)?

[madhan ravi]

Looks like you edited all the questions after the answers were given.

Answer 1

[madhan ravi]

help log

edit: you already had the answer in your question before editing your question which was after this answer being given.

Answer 2

[Walter Roberson]

[madhan ravi]

Exactly sir Walter, OP was given this as a hint in his question but seemed to have edited after I answered.