<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On 6 December 2017 at 03:08, Justin Herrmann <span dir="ltr"><<a href="mailto:ebn303afxcut@email.com" target="_blank">ebn303afxcut@email.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div dir="auto" style="word-break:break-word"><div class="gmail-m_5319744433097407825mail_android_message" style="line-height:1;padding:0.5em"><br>
The symbols with the "f" inside are integrators</div></div></div></blockquote><div><br></div><div>The integral sign is based on the "long S" character, summing up:</div><div><br></div><div><a href="https://en.wikipedia.org/wiki/Integral_symbol">https://en.wikipedia.org/wiki/Integral_symbol</a><br></div><div><a href="https://en.wikipedia.org/wiki/Long_s">https://en.wikipedia.org/wiki/Long_s</a><br></div><div><br></div><div>:-)</div><div><br></div><div>/mr</div><div><br></div></div></div></div>