<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class="">“ </font></span><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class="">rsph</font></span><div class=""><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class="">Radius of the sphere to be used for the area calculation. </span><em style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px;" class="">rsph</em><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class="">=1 will return the area in units of radians; </span><em style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px;" class="">rsph</em><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class="">=<b class="">6271</b> km would return the area in km^2; </span><em style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px;" class="">rsph</em><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class="">=6.37122e06 m would yield m^2.</span></div><div class=""><font color="#333333" face="verdana, sans-serif" size="2" class="">“</font></div><div class=""><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div class=""><span style="color: rgb(51, 51, 51); font-family: verdana, sans-serif; font-size: 13px; background-color: rgb(255, 255, 255);" class=""><br class=""></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class="">Not entirely a typo, but having 6271 instead of 6371 for the earth feels like a typo. Examples at the bottom are fine. </font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class=""><br class=""></font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class="">Alan. </font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class=""><br class=""></font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class=""><br class=""></font></span></div><div class=""><span style="background-color: rgb(255, 255, 255);" class=""><font color="#333333" face="verdana, sans-serif" size="2" class=""><br class=""></font></span></div></div></body></html>