# Calculator

- Calculates basic arithmetic. 
  - `{{calc: 4 + 5 }}`
    - {{calc: 4 + 5}}
- If a block reference is used an argument, it will search for a number in that block and use that – e.g.
  - three in “My 3 apples” or
  - five in "his 5 amazon stocks"
  - `{{calc: ((block)) + ((block)) * 2 }}`
    - {{calc: three in “My 3 apples” or + five in "his 5 amazon stocks" * 2}}

### Community Videos::

#### [Roam Research: Using the Calculator](https://www.youtube.com/watch?v=kxWykFHUtNo) - [[Les Kristofs]]

- {{[[video]]: https://www.youtube.com/watch?v=kxWykFHUtNo}}

### Roam Team Videos::

- https://twitter.com/i/status/1209449973902802944