Left-hand Sum, etc?

*To*: mathgroup at smc.vnet.net*Subject*: [mg29027] Left-hand Sum, etc?*From*: "Jose Lopez Jr." <chilibean2in at netzero.net>*Date*: Fri, 25 May 2001 01:48:03 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

I have Mathematica v4.1 and cannot find any information on finding the area under a curve using the left-hand sum, right-hand sum, midpoint, trapezoid, or Simpson's rule. Any help would be greatly appreciated.

**Follow-Ups**:**Re: Left-hand Sum, etc?***From:*Tomas Garza <tgarza01@prodigy.net.mx>