Sharp EL 5020 changing log base value

From: Greenyscum
Email: Greenyscum@aol.com


Ive got a Sharp EL-5020 calc and I cant find the manual. I need to know if and how you can change the base value of log from base 10 to another value, is this possible and if so hows it done ???? any help would be much apriciated . if anyone has a downloadable manual that would be great. thanks