How To Convert Binary To Decimal

easy dude do as follows---->
1) switch on calc (hehe)
2) at the left of the ON button theres a botton called MODE/CLR press it 2 times
3) when u press mode 2 times u will see options like 1sd 2reg 3base
4) at this menu press 3base 
5) when u select base calc will show the main screen of 0 
if u select the base opttion u will see a 'd' written at the rightof 0
6) so when its done u can start ----
so ##enter the no which u want to convert int binary eg 4.
##press '=' 
## then look for the button log (ie logarithm) which is also for binary BIN press it 
## thats all u will see the bin no (eg if u tried for 4 u will see ans as - 100)


and u can also convert no from bin to decimal 
# press log (bin) see the 'b' right of 0
# then type ur binary no press =
# then press x^2 x-square ull get it into decimal 

and furhter more u can also convert into hex and to base 8 ( oct ) too similarly....

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S@G@...
Always there to help you out..!!!