grumpy_cat to shitposts@piefed.world · 21 hours ago"2+2=5"imagemessage-square20linkfedilinkarrow-up195arrow-down16
arrow-up189arrow-down1image"2+2=5"grumpy_cat to shitposts@piefed.world · 21 hours agomessage-square20linkfedilink
minus-squarejtrek@startrek.websitelinkfedilinkarrow-up2·17 hours agoThe old calculator I just found in the desk, a canon HS-1000TG, does do the operations as you enter them. Entering 3+3x2= returns 12
minus-squareFredselfish@sh.itjust.workslinkfedilinkarrow-up2arrow-down10·16 hours agoSo that be correct answer, I mean if I were to do math in my head or on paper. Yet my calculator on the phone answered 9. What the fuck?
minus-squarejtrek@startrek.websitelinkfedilinkarrow-up3·5 hours agoMath conventions say to do multiplication before addition. Writing it as “3+3*2” invites the error you made when you read left to write. There are clearer ways to write it (eg (2*3) + 3, but some people get kind of aggro about that.
minus-squareLostCarcosan@lemmy.todaylinkfedilinkarrow-up10·14 hours agoIf you do the math in your head and get 12, you did it wrong in your head. Did you not learn the order of operations in school?
minus-squareMrShankles@lemmy.worldlinkfedilinkarrow-up3·12 hours agoYou didn’t double-check your work 3+3×2 3+6 9
minus-squareDultas@lemmy.worldlinkfedilinkarrow-up8·15 hours agoHow dare the phone give you the correct answer!
The old calculator I just found in the desk, a canon HS-1000TG, does do the operations as you enter them.
Entering
3+3x2=returns 12So that be correct answer, I mean if I were to do math in my head or on paper. Yet my calculator on the phone answered 9. What the fuck?
Math conventions say to do multiplication before addition. Writing it as “3+3*2” invites the error you made when you read left to write. There are clearer ways to write it (eg
(2*3) + 3, but some people get kind of aggro about that.If you do the math in your head and get 12, you did it wrong in your head. Did you not learn the order of operations in school?
You didn’t double-check your work
3+3×2
3+6
9
How dare the phone give you the correct answer!
Are you saying it’s not 9?