HP RPN CALCULATOR COLLECTION - Hewlett Packard HP-21 - BOXED AND PERFECT

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HP RPN CALCULATOR COLLECTION - Hewlett Packard HP-21 - BOXED AND PERFECT:
$204.50

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DATAMATH CALCULATOR MUSEUM sells on Hewlett-Packardmodel HP-21 - PERFECT

Hewlett Packard introduced with the legendary HP-35 already in 1972 their first pocket calculator and the world\'s first scientific pocket calculator.
The HP-35 used the so-called Reverse Polish Notation (RPN) entry logic know from some earlier HP desktop calculators and still in use today.The HP-35 could be called first generation with some well known off off-springs: HP-45, HP-55, HP-65, HP-67, HP-70, and HP-80.
The second generation of HP calculators was introduced in 1975 with this HP-21, and the third generation (HP-31E...38E) in 1978.This Hewlett Packard HP-21 is a perfect scientific calculator of the second generation and could be called the successor of the legendary HP-35.

The calculator on sale is in perfect cosmetic and working (*) condition and delivered with its original protection pouch, power supply, box and papers.
(*) The batteries still hold a charge but don\'t expect the original capacity.Please scroll this page down and find more pictures of the calculator.

Calculator Collectors:

FALL Highlights - RPN AND MORE Calculators

Don\'t miss our September sales with twelve rare and unique calculators sold in the Seventies and Eighties:

TOP ROW

Braun ET 66 – This is design!
Braun ET 100 – Rare Beauty Queen.
Hewlett-Packard HP-21 – Perfect and RPN.
General Electric CE93 – YES, FINALLY FROM AUSTRALIA!
Omron 12SR – RPN.
Omron 10SR – No RPN.

BOTTOM ROW

Privileg SR 54 NC – Very rare and very RPN.
Sharp ELSI MINI EL-801 – History - Perfect.
Privileg LCD Mini-Computer – Aka Sharp EL-805.
Sharp EL-8019 – Very rare and working!
Sharp EL-825 – Calculator history.
Sharp EL-525 – Simply the best.

All segments of the crisp-clear LED-Display are shining bright:

What you see is what you get:

Find more information about calculators manufactured
by Texas Instruments on the Web. Just search for the
Datamath Calculator Museum

INTERNATIONAL CUSTOMERS:

I’ll do international shipping, the winning buyer pays actualshipping cost from USA:
USD 16.75 First Class
USD 24.75 Priority Mail
without insurance to Europe and Asia.

PAYMENT:

Paypal (preferred)
Otherson request

Thank you for your offer
and good luck.

SHIPPING:

I’ll ship usually with
US Postal Services.

US Domestic packages will be shipped Priority Mail.
International packages will be shipped First ClassMail or "Flat Rate" Priority Mail.
Delivery confirmation, Insurance and other services only on request.

RETURN POLICY:

Item must be returned within 14 days.
Refund will be given as money back.
Return shipment will be paid by Buyer.
Details: I will accept items for return only if theitem is found to be significantly not as described in the sale listing.
If you think an item you purchased from me is not as described, please contactme right away for a resolution using the "Ask seller a question" link.
Your satisfaction is important to me and I will do everything I can to helpensure your experience is a positive one.

WHAT YOU SEE IS WHAT YOU GET:

I don\'t use stock photos - the actual item ispictured.
You receive what is pictured (but not orange background paper and the metal ruler).
Batteries are usually NOT included in the sale!

FINAL WORDS:

It\'s a Calculator Collecting Hobby -not a business!