[Tutor] Rounding off

Hi, Is there an easy way - a module or method for which you can round off number such as 2.1345 to 2.135 Any help or advice appreciated? -- Best regards Per Jr. Greisen ___ Tutor maillist - Tutor@python.org

Re: [Tutor] Rounding off

At 03:08 AM 3/18/2007, Per Jr. Greisen wrote: Hi, Is there an easy way - a module or method for which you can round off number such as 2.1345 to 2.135 Well, there are print %.3f % 2.1345 2.135 or print round(2.1345, 3) 2.135 Dick Moores ___

Re: [Tutor] Rounding off

Dick Moores wrote: At 03:08 AM 3/18/2007, Per Jr. Greisen wrote: Hi, Is there an easy way - a module or method for which you can round off number such as 2.1345 to 2.135 Well, there are print %.3f % 2.1345 2.135 or print round(2.1345, 3) 2.135 The difference between

Re: [Tutor] Rounding off

At 04:59 AM 3/18/2007, Dick Moores wrote: At 03:08 AM 3/18/2007, Per Jr. Greisen wrote: Hi, Is there an easy way - a module or method for which you can round off number such as 2.1345 to 2.135 Well, there are print %.3f % 2.1345 2.135 or print round(2.1345, 3) 2.135 print

Re: [Tutor] Rounding off

Dick Moores wrote: print round(2.1345, 3) 2.135 But now I have a question. print %.3f % 22.1345 22.134 Why the 22.134's? Because neither 2.1345 nor 22.1345 can be represented exactly in floating point, and the errors are in the opposite direction: In [4]: repr(22.1345) Out[4]:

[Tutor] Rounding number

Hi, I use the method from math in order to round off the number: import math a = 1.3 b = round(a,3) which equals gives b=1.4 is it possible to have the rounding such that b = 1.400 so it keeps in my case the correct digits? Any help appreciate. Thanks in advance -- Best regards Per

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Re: [Tutor] Rounding number

Per Jr. Greisen wrote: Hi, I use the method from math in order to round off the number: import math a = 1.3 b = round(a,3) which equals gives b=1.4 is it possible to have the rounding such that b = 1.400 Trailing zeroes aren't significant values so the computer won't store it.