1 | # num2fraction
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2 |
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3 | [![Build Status](https://travis-ci.org/yisibl/num2fraction.svg)](https://travis-ci.org/yisibl/num2fraction)
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4 | [![NPM Downloads](https://img.shields.io/npm/dm/num2fraction.svg?style=flat)](https://www.npmjs.com/package/num2fraction)
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5 | [![NPM Version](http://img.shields.io/npm/v/num2fraction.svg?style=flat)](https://www.npmjs.com/package/num2fraction)
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6 | [![License](https://img.shields.io/npm/l/num2fraction.svg?style=flat)](http://opensource.org/licenses/MIT)
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7 |
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8 | > Converting Number to Fraction with Node.js.
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9 |
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10 | ## Installation
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11 |
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12 | ```console
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13 | npm install num2fraction
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14 | ```
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15 |
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16 | ## Usage
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17 |
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18 | ```js
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19 | var π = Math.PI
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20 | var n2f = require('num2fraction')
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21 | console.log(n2f(0)) // => 0
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22 | console.log(n2f(.2)) // => 1/5
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23 | console.log(n2f(1.1)) // => 11/10
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24 | console.log(n2f(1.2)) // => 6/5
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25 | console.log(n2f(1.3)) // => 13/10
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26 | console.log(n2f(1.4)) // => 7/5
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27 | console.log(n2f(1.5)) // => 3/2
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28 | console.log(n2f(2)) // => 2/1
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29 | console.log(n2f(2.1)) // => 21/10
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30 | console.log(n2f(3)) // => 3/1
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31 | console.log(n2f(2.555)) // => 511/200
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32 | console.log(n2f(8.36)) // => 209/25
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33 | console.log(n2f('3em')) // => 3/1
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34 | console.log(n2f('1.5px')) // => 3/2
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35 | console.log(n2f(7 / 9) // => 7/9
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36 | console.log(n2f(8 / 9) // => 8/9
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37 | console.log(n2f(512 / 999) // => 512/999
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38 | console.log(n2f((2 * π / 3) / π) // => 2/3
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39 | console.log(n2f((8 * 5) / (4 / 2)) // => 20/1
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40 | ```
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41 |
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42 | ## Example
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43 |
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44 | Opera [old versions](http://www.opera.com/docs/specs/presto28/css/o-vendor/) support the non-standard `-o-min-device-pixel-ratio` or `-o-max-device-pixel-ratio` in CSS media queries.
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45 |
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46 | ```css
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47 | @media
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48 | only screen and (-webkit-min-device-pixel-ratio: 2),
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49 | only screen and ( min--moz-device-pixel-ratio: 2),
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50 | only screen and ( -o-min-device-pixel-ratio: 2/1), /* Opera */
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51 | only screen and ( min-device-pixel-ratio: 2),
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52 | only screen and ( min-resolution: 192dpi), /* fallback */
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53 | only screen and ( min-resolution: 2dppx) {
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54 |
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55 | }
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56 | ```
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57 |
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58 | ## Changelog
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59 |
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60 | ### v1.2.2
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61 |
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62 | * \+ Remove: Debug log message.
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63 |
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64 | ### v1.2.1
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65 |
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66 | * \+ Fix: 0 must be converted to a string.
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67 |
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68 | ### v1.2.0
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69 |
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70 | * \+ Fix: Accomodate rounding errors. (by @jamestalmage)
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71 | * \+ Fix: The negative sign should be on numerator. (by @jamestalmage)
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72 |
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73 | ### v1.1.0
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74 |
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75 | * \+ Use more precise (not fixed) precision factor for the calculation
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76 |
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77 | ### v1.0.1
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78 |
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79 | * \- Remove "ci.testling.com"
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80 |
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81 | ### V1.0.0
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82 |
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83 | > First release.
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84 |
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85 | ## License
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86 |
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87 | [MIT](LICENSE)
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