grumpy_cat@thelemmy.club to shitposts@piefed.world · 8 days ago"2+2=5"thelemmy.clubimagemessage-square23linkfedilinkarrow-up1117arrow-down18
arrow-up1109arrow-down1image"2+2=5"thelemmy.clubgrumpy_cat@thelemmy.club to shitposts@piefed.world · 8 days agomessage-square23linkfedilink
minus-squareCreat@discuss.tchncs.delinkfedilinkarrow-up14·8 days agoPhysical calculators for actual math (like used in schools) haven’t done that in a few decades. Even in the 90s.
minus-squarejtrek@startrek.websitelinkfedilinkarrow-up3·8 days 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-down14·7 days 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-squareLostCarcosan@lemmy.todaylinkfedilinkarrow-up12·7 days 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-squareDultas@lemmy.worldlinkfedilinkarrow-up10·7 days agoHow dare the phone give you the correct answer!
minus-squarejtrek@startrek.websitelinkfedilinkarrow-up5·7 days 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-squareMrShankles@lemmy.worldlinkfedilinkarrow-up3·7 days agoYou didn’t double-check your work 3+3×2 3+6 9
Physical calculators for actual math (like used in schools) haven’t done that in a few decades. Even in the 90s.
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?
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?
How dare the phone give you the correct answer!
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.Are you saying it’s not 9?
You didn’t double-check your work
3+3×2
3+6
9