Novus 650 Mathbox

Serial number	091939, made in Singapore
Accessories	Manual: The Novus 650/950 Calculator (various languages)
	Booklet: Trouble-shooting Tips (various languages)
	Original cardboard box
Condition	Cosmetically mint. Keys are bouncing quite a bit.
Repairs, Comments
Acquired	1.12.2003

Serial number	015644, made in Malaysia
Accessories	None
Condition	Average. There are scratches on the red display cover and next to the "M" of the Mathbox label.
Repairs, Comments	Different from the above unit the face plate is of shiny copper.
Acquired	8.3.2004

Type, Precision, Input mode	Simple, 6 BCD digits, no exponent, Reverse Polish Notation
Programmable	No
Memory	None
Display	7 digit 7 segment red LED
Hardware	National Semiconductor MM5736N
Special features	No fractional digits! Decimal point hard coded to give two fractional digits. Combined "+" and "Enter" key. Two-level stack (see Minuteman, NS600, Sinclair Scientific). Instructions printed on the back.
Original Pricing, Production	1976, approx. 165 French Francs
Batteries	9V block battery or external 9V DC off-the-shelf powr supply.
Dimensions	Length 12.7cm, Width 6.7cm, Height 2.4cm
Links	VintageCalculators Manual (PDF, English, 6 pages) Newspaper Ad (French) Tips (scanned PDF, 7 pages, English, French, German, Spanish, Portugese) Vintage Electronic Calculator Manuals.
Comment	In addition to the above three versions there apparently was ine with a black case, black keys, a bright copper face plate, labelled only "Novus 650".