Facit calculator manual

Facit. Manual of the Facit Calculating Machine Model TK () 44 pages plus covers and foldout, xmm, stapled booklet. This s booklet is the Operator's Manual for the early Facit TK pinwheel calculator, but it can also be used with the later models NTK and C The Facit C Pinwheel Calculator -Technical Description Introduction A digit mechanism with back-transfer and a key numeric keypad was introduced as the manual Model CM in The fully-automatic CA followed in , with an updated Model in The 13 and digit mechanisms were both manufactured in parallel. NOTE: Computer programs written in SPSS and SAS for the FACIT scales and symptom indices are provided on diskette in Section 4 of the manual or can be downloaded from the website at www.doorway.ru for a nominal fee. Standard raw score scoring templates for all FACIT scales and symptom indices are also provided inFile Size: KB.

Facit ESA-O1. Electro-mechanical, pin-wheel calculator. Can multiply a 9 digit number by an 8 digit number and give a 13 digit answer. Functions - Addition/Subtraction/Multiplication/Division. mm x mm x mm (11" x 10" x 7"), 13 Kg ( lbs.). Made in Sweden by Atvidaberg-Facit. Facit calculators work on a similar principle to the more conventional Odhner type pinwheel calculators, but their external appearance and user interface is strikingly different. Rather than having an external moving carriage in conjunction with a fixed rotor, Facit machines reverse this arrangement and the carriage is fixed but the rotor moves. The Pinwheel Calculators page summarises the early development of the pinwheel mechanism in the s. The Odhner mechanism page describes the workings of a basic pinwheel machine of the traditional design. The Facit page summarises the development of the Facit "inverted" pinwheel mechanism and the subsequent model range.

The character first appeared in the instruction manuals for Facit's calculators. The character lasted into the s. By the early s the corporation had a. It was the very last manual calculator manufactured by Facit in Sweden, and was most likely used in Singapore offices around the late s and s. from Chr.Nöring page: The first calculator bearing the Facit name was an this Facit 10 has a manual button to change the direction of the counter.