# Difference between revisions of "LeftSum Command"

From GeoGebra Manual

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{{command|function}} | {{command|function}} | ||

;LeftSum[ <Function>, <Start x-Value>, <End x-Value>, <Number of Rectangles> ] | ;LeftSum[ <Function>, <Start x-Value>, <End x-Value>, <Number of Rectangles> ] | ||

− | :Calculates the left sum of the function in the interval [''a, b''] using n rectangles. | + | :Calculates the left sum of the function in the interval [''a, b''] using ''n'' rectangles. |

{{Note|* This command draws the rectangles of the left sum as well. | {{Note|* This command draws the rectangles of the left sum as well. | ||

* See also [[RectangleSum Command]], [[LowerSum Command]] and [[UpperSum Command]].}} | * See also [[RectangleSum Command]], [[LowerSum Command]] and [[UpperSum Command]].}} |

## Revision as of 10:25, 22 July 2011

- LeftSum[ <Function>, <Start x-Value>, <End x-Value>, <Number of Rectangles> ]
- Calculates the left sum of the function in the interval [
*a, b*] using*n*rectangles.

**Note:**

- This command draws the rectangles of the left sum as well.
- See also RectangleSum Command, LowerSum Command and UpperSum Command.