Member of the Month

KilaTsunami
October, 2024

Online

Welcome to the Newschoolers forums! You may read the forums as a guest, however you must be a registered member to post. Register to become a member today!

In need of a calculator genius

profile picture
Olde_English
Posts: 445 - Karma: 117
so im doing some logarithm problems and i don't know how to change my calculator from base 10 to base 2 log. or any other base log for that matter. Can anyone tell me how to do this? (i have a TI-84 Plus)
thanks for helping out a calculus retard
Dec 14 2011 10:52PM
0 0
profile picture
skijunkiedtm
Posts: 9229 - Karma: 61
I don't think you can.
Dec 14 2011 10:54PM
0 0
profile picture
1337
Posts: 31054 - Karma: 29,246
lrn2change bases noob
Dec 14 2011 10:56PM
0 0
profile picture
1337
Posts: 31054 - Karma: 29,246
and by this, i mean convert into log base ten or log base e. I think to go from 2 to e, you multiply by ln2/lnx for logbase2(x)
Dec 14 2011 10:57PM
0 0
profile picture
1337
Posts: 31054 - Karma: 29,246
oops, lnx/ln2
Dec 14 2011 10:57PM
0 0
profile picture
FerrisBueller
Posts: 8280 - Karma: 5,173
you cant do that directly, but you can use a shortcut that makes it number log base by going 2nd, then top button 2nd from left and then hit logbase... i think too lazt to grab my calc.
Dec 14 2011 10:59PM
0 0
profile picture
J.M
Posts: 2854 - Karma: 254

This is how I do it

log base 3 (2)=X

to

log (2)/log (3)=x

Dec 14 2011 11:08PM
0 0
profile picture
zascherl
Posts: 94 - Karma: 95
you cant. it wont. try wolframalpha.com
Dec 14 2011 11:10PM
0 0
profile picture
chicken
Posts: 6843 - Karma: 2,123
what kind of calculator is it?
Dec 14 2011 11:11PM
0 0
profile picture
chicken
Posts: 6843 - Karma: 2,123
oh shit nevermind. you can't do it
Dec 14 2011 11:12PM
0 0
profile picture
Olde_English
Posts: 445 - Karma: 117
yes thank you so much. this works for me.
thanks to everyone else also!
Dec 14 2011 11:27PM
0 0
profile picture
J.M
Posts: 2854 - Karma: 254
that's how i was taught and works everytime.  thank god for calculators!
Dec 15 2011 7:18PM
0 0
All times are Eastern (-5)