What's the answer?

  spud 23:19 30 Nov 03
Locked

Standard calculator 1+2*3=9
scientific calculator 1+2*3=7
which one is right ?

  VoG II 23:22 30 Nov 03

7

  ©®@$? 23:22 30 Nov 03

but google has the answer it must use scientific

click here

  VoG II 23:25 30 Nov 03

There is a precedence given to arithmetic operators. Multiply and divide take precedence over add and subtract. So your scientific (so-called) calculator is correctly evaluating what would be better expressed as 1+(2*3)=7

  BRYNIT 23:28 30 Nov 03

(1+2)*3=9

  ahales42 23:30 30 Nov 03

VoG is right,logically. resistance is futile.

  spud 23:31 30 Nov 03

thought so, b.o.d.m.a.s. rule brackets over division,multiplication,addition subtraction

  VoG II 23:31 30 Nov 03

Try getting a calculator that uses REverse Polish Notation (Hewlett Packard used to make them). Then you can't go wrong.

2

Enter

3

Multiply

1

Plus

  ©®@$? 23:32 30 Nov 03

when i doubt give google a shout

it came up with 1+2*3=7

you guys are just confusing me now

;-)

  rev.bem 23:43 30 Nov 03

Depends where you put the parenthesis(without VoG is right) with,could go either way.

:-)

  rev.bem 23:46 30 Nov 03

Would have been better without the with.

click here

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