FULLY WORKING. THE ON/OFF BUTTON IT A LITTLE TRICKY BUT ONCE YOU FIND THE SWEET SPOT IT STAYS ON WELL.

FRONT CASE LOOKS VERY MINTY. REAR SHOWS A LITTLE WARE AND A NAME STICKER.

GREEN LED IS EXCELLENT. STILL NICE & BRIGHT.

BELLOW IS SOME DATA I SORCED OFF THE NET AND ANY INFO ON THE COSMETIC CONDITION DOES NOT REFLECT THE ONE FOR SALE.

Size (approx):	85mm x 123mm x 27mm (max)  (w,h,d) Weight 188g excluding batteries.
Power:	6V DC with 4 x AA size batteries.  It accepts an adapter (6V DC 0.45W model EL-971) through a socket on the bottom side to the far right.   The battery compartment has a ribbon pull to aid battery removal.  The on/off switch is on the left hand side in line with the Sharp logo.
Case:	Square and solid design, the main body being made of a three piece smooth light grey and matt dark blue plastic set.  An oversized inset and flat green plastic display filter gives a clean bright image.  On the lower section of this is a red printed metallic sticker with the company name.  Underneath the filter (and barely visible) is the white printed model number.  The keyboard surround has the familiar and not very stylish black printed sticker with Made in Japan.  The keys are soft and squashy with deep sculptured symbols.  There is a sturdy blue plastic lug for a carry strap on the left hand side. The bottom edge has the words Sharp Elsi mate embossed in the blue plastic.
Display:	8 digit green VFD with a ninth digit for negative, error and memory indicators.
Features:	Four function with percentages, square roots, change sign and three function memory
Age:	est. 1975
Manufacturer:	Sharp Corporation, made in Japan.  Serial number 4106843Y  is on a sticker on the inside of the battery compartment.
Comments:	Solid quality calculator that is a little wide for a handheld and has the quirky ninth digit on the right common to Sharp calculators of this era. The logic is very solid but let down by the lack of recovery.  I cannot understand why they would put the model number in such an awkward place as you can only just see it (it is much clearer on this scan than in real life!).

Components:	1 x cpu: NEC µPD277C E4X936  28 pin DIL , 0.6"width 1 x nine digit VFD unit: Futaba 9-CT-04 round faced single tube  3 x transistors 8 x diodes 8 x capacitors 17 x resistors 1 x resistor array 1 x transformer
Boards:	The main cpu board (PWBF1198CC-A) sits on top of the keyboard assembly and is joined by a 14-way ribbon cable.  The whole assembly being secured to the front with eight screws.  A metal screening plate covers the main cpu board with an acetate screen to protect the board from shorting.
Construction:	My example appears to missing the single screw inside the battery compartment.  Removal of the rear section is then easy - if you know that the seal is not between the blue and grey plastic but between the grey back and the grey sides!

Logic comments:	The (C/CE) key is used to cancel entry on the first press and clears the whole calculator on the subsequent
	Overflow on the input of a number is suppressed, typing in a ninth digit ignores the last number
	There is automatic constant on multiply and divide only
	Negative numbers are flagged by a "-" sign in the far right (ninth) digit thereby allowing full eight digit negative numbers.
	A divide by zero shows zero and "C" in the far right (ninth) digit and is not recoverable
	Overflow shows the result with "C" ( "E" if negative) in the far right (ninth) digit and is not recoverable
	The change sign function can be used in mid number entry
	Negative square roots are not allowed and result in an overflow display and is not recoverable
	Memory store is indicated by the decimal point of the far right (ninth) digit
	Memory overflow keeps the original total in place
	The percentage key just divides the current number by 100   Auction terms. please read before bidding. If you bid, you are agreeing to all terms listed below. payment must clear before goods are sent. High bidder must contact us within 3 days after end of auction (with postal address & a valid method of payment) or any rights to the item will be forfeited. All appropriate efforts are taken to ensure your item is packed well & shipped quickly, however we cannot be responsible for uninsured items once they have been posted. Insurance is available to most countries at buyer's request. All sales are considered final. No refunds. Bidders with negative or zero feedback must contact us before bidding with postal address & method of payment. We are not experts at everything and opinions of condition vary, so any questions or concerns must be resolved prior to bidding Feedback will be left once it has been left for me...no exceptions.