Basic LED calculators (1)

 

name

built

display

functions

circuit

alim

description

status

Caltronic 812 72, Hong Kong LED with lens 8 + 1 digits 4 + fp sw nd 9V, ext jack 2,5 mm - Good working
T Research 75, USA LED with lens 8 + 1 digits 4 + % + mem + ex CK GRBP-89 9V, ext jack 3,5 mm (+ centre) - Good working
Vanica 75 LED with lens 8+1 digits 4 + R? TMS0833NC 2 x AA, ext jack 2,5mm (- centre) Nice '70's design Good, working. With glove
Commodore 885D-2 75, made in USA LED micro modules 8+1 digits 4 + %  MOS MCS2540, ITT491, ITT492 9V, ext jack (+ centre) Good, working. Missing battery cover Good, working
Commodore 796M 76, made in England LED bar with lens 8+1 digits 4 + % + mem CK3D98MT 9V, ext jack (+ centre) Good, working Very good, working
Emerson Electronics EE 76 LED with lens 8 digits 4 + % C-683, NS 606/DS8855N 9V, ext jack 3,5 mm (+ centre) Modified version with metal battery cover Good working
Accuron nd LED bar/lens 8+1 digits 4 op MM5737N, DS8855N 9V batt Compact and simple machine  Good, working
Agilis 808 76, Singapore LED 8 digits 4 + mem TMS0972NL 9V, ext jack 2,5 mm - Good, working (bouncing keyboard)
Conic EL-601 80 LED 8 digits with lens 4 + % + mem TMS0972ML 9V - Sufficient, working
Radofin Model 8P nd LED 8 digits with lens 4 + % + K GIMT5 9V, ext jack 2,5mm (+ centr) display non significant zeros on entry, align to left the result Sufficient, working 
Sovrin mod. 808 nd, made in Singapore LED 8+1 digits 4 + % + K + 'D' + mem; power saving National Sem. MM5738N; DM8854N 9V, ext plug Nice design Sufficient, working
Kessel 82 76, made in Hong Kong LED 8+1 digits 4 + % EA7055, DS8865N 9V, ext jack 2,5 mm (+ centre) Yellow/brown case Sufficient, working
Xonex 202 nd LED 8 digits 4 + % + mem IEE RC50/618x 9V Nice design Sufficient, working

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