# Questions tagged [round]

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### Efficient Round edition with different rounding direction

As pointed out in this post, Mathematica has a special version of Round that Round rounds numbers of the form x.5 toward the nearest even integer. A comment by ...
229 views

### Problems with rounding giving too many digits

My current code is: ...
34 views

### Return the precision of the first non zero digit in a number for measurement error representation function

I'd like to return the precision of the first non zero digit in a number. The motivation is so that I can quickly construct my error notation which is the bracketed notation, e.g. $x = 1.234$ with ...
210 views

### Rounding a number to decimal places and keeping a trailing zero

It's often useful for me to round numbers to some decimal place for printing on a graph or figure. I usually do this by: ...
74 views

### How can I Influence the number of digits when printing a polynomial expression or when I want to make it a String?

I have an expession (it is the result of Fit) but I want to print or display an abbreviated form with all numbers in it rounded to say 6 decimal digits. ...
62 views

### Why does Mathematica round numbers in this way where the fractional part is 0.5? [duplicate]

I was trying to comment on sequence https://oeis.org/A047229 in the OEIS, when one of the editors pointed out that the rounding is done wrong in this Mathematica one-liner: ...
179 views

### Chop not working [closed]

I am running a function that has a large output in matrix format with small, complex parts added to the numbers- basically a rounding error. I am trying to use Chop to obtain use-able results, but ...
176 views

### Create an accumulator array from a function

I am making some images for a project about the hough transform line detection, I am showing the slope-intercept form , the normal form and their accumulator arrays to show the peaks. I am kind of new ...
389 views

### Opposite Collatz Conjecture

I'm trying to explore what would happen if you change the collatz conjecture to flip the equations for odds and evens. So if you have an even number you multiply by 3, add 1, and divide by 2. If you ...
130 views

### Keep leading/trailing zeroes (like Defer except with numbers) in a given number

I'm trying to write a function that counts the number of significant figures a given number has so I can ensure my calculations are rounded correctly; however, I am having a lot of trouble preventing ...
189 views

### Why doesn't the Round function work on decimals and how to fix it or work around it [duplicate]

I'm trying to specify yaxis tick labels from 0 to 1.0 in steps of 0.1. This is what I get: ...
735 views

### Round vs. Floor vs. Ceiling for non-integers non-orders-of-magnitude

I understand that Round give the nearest even integer for cases where the number is between two integers, i.e. Round[2.5] = 2 ...