# LN10

Block Group: | Constants |

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The LN10 block is a Number block. When the LN10 block is created, the LN10 block holds the mathematical constant for the natural logarithm of ten.

For information on using dataflow blocks, see Dataflow.

## Input/Output Property

The following property of the LN10 block can take input and give output.

- value
*(number)*

**value** sets and returns the number held by this LN10 block. When the LN10 block is created, the **value** property holds the mathematical constant for the natural logarithm of ten.