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3 | # Function bignumber
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4 |
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5 | Create a BigNumber, which can store numbers with arbitrary precision.
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6 | When a matrix is provided, all elements will be converted to BigNumber.
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7 |
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8 |
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9 | ## Syntax
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10 |
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11 | ```js
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12 | math.bignumber(x)
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13 | ```
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14 |
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15 | ### Parameters
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16 |
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17 | Parameter | Type | Description
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18 | --------- | ---- | -----------
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19 | `value` | number | string | Fraction | BigNumber | Array | Matrix | boolean | null | Value for the big number, 0 by default.
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20 |
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21 | ### Returns
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22 |
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23 | Type | Description
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24 | ---- | -----------
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25 | BigNumber | The created bignumber
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26 |
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27 |
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28 | ## Examples
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29 |
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30 | ```js
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31 | 0.1 + 0.2 // returns number 0.30000000000000004
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32 | math.bignumber(0.1) + math.bignumber(0.2) // returns BigNumber 0.3
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33 |
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34 |
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35 | 7.2e500 // returns number Infinity
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36 | math.bignumber('7.2e500') // returns BigNumber 7.2e500
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37 | ```
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38 |
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39 |
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40 | ## See also
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41 |
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42 | [boolean](boolean.md),
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43 | [complex](complex.md),
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44 | [index](index.md),
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45 | [matrix](matrix.md),
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46 | [string](string.md),
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47 | [unit](unit.md)
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