May 8th, 2017: Anyone who truly knows me knows my calculator of choice: the HP 41CX, which flew on early space shuttle missions as a backup for the main computer! – Ryan
December 5th: Last day that ALL US shipping methods are safe.
December 12th: Last day that to use USPS Priority or Express for international orders!
December 13th: Only USPS Priority Express or FedEx 2- for guaranteed Christmas delivery.
December 18th-December 19th: FedEx 2-Day and Overnight might work, but no promises!!
Here that is in GRAPHIC FORM!