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3 | # Function unaryPlus
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4 |
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5 | Unary plus operation.
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6 | Boolean values and strings will be converted to a number, numeric values will be returned as is.
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7 |
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8 | For matrices, the function is evaluated element wise.
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9 |
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10 |
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11 | ## Syntax
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12 |
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13 | ```js
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14 | math.unaryPlus(x)
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15 | ```
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16 |
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17 | ### Parameters
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18 |
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19 | Parameter | Type | Description
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20 | --------- | ---- | -----------
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21 | `x` | number | BigNumber | Fraction | string | Complex | Unit | Array | Matrix | Input value
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22 |
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23 | ### Returns
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24 |
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25 | Type | Description
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26 | ---- | -----------
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27 | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Returns the input value when numeric, converts to a number when input is non-numeric.
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28 |
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29 |
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30 | ## Examples
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31 |
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32 | ```js
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33 | math.unaryPlus(3.5) // returns 3.5
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34 | math.unaryPlus(1) // returns 1
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35 | ```
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36 |
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37 |
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38 | ## See also
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39 |
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40 | [unaryMinus](unaryMinus.md),
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41 | [add](add.md),
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42 | [subtract](subtract.md)
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