The small size of my collection allows presentation along a time axis together with some basic information:
Weight, price in terms of # months average net income for a Dutch workman, year of introduction.
1956
13 Kg
8 mo
17 Kg
12 mo
1954
12 Kg
10 mo
1952
6 Kg
Brunsviga 11E
3.5 Kg
2 mo
1976
1,5 Kg
2 mo
0,5 Kg
3 wk
Mechanical Calculators
Electronic Calculators
Olympia CD400
Soemtron 215
5 Kg
8 mo
16 Kg
1953
1964
1962
Brunsviga 13RM
3 mo
Friden 1217
20 Kg
6 mo
Philips P252
4 mo
Sharp QT8B
Casio FX-801P
HP-97
1981
1,4 Kg
Programmable Calculators
1950
Marchant 8ADX
18 Kg
24 mo
Marchant 10EFA
1962
21 Kg
8 mo
1,6 Kg
Victor 1900
1973
1977
3 Kg
1 wk
3,5 Kg
2.5 mo
Friden(Singer) EC1117
Precisa 366-12
1968
9 Kg
3 mo
7 mo
Friden SBT10
1959
18 Kg
24 mo
1953
MADAS 20ATG
Diehl DSR18
16 Kg
16 mo
Brunsviga 16E
17 Kg
7 mo
20 Kg
1957
1960
Olympia RA16
< 1 wk
1,7 Kg
ELKA 53
1976
< 1 wk
0,25 Kg
Lloyds Accumatic 55
18 Kg
7 mo
Marchant 8 CMR
1963
< 1 wk
Casio FX-7000G
152 gr
Walther EMKD
1929
10 Kg
1954
15 Kg
19 mo
Monroe 8N-213
18 Kg
15 Kg
Facit CA1-13
Hamann 300
6 Kg
2,5 mo
1953
Hamann ManusR
TI SR56 & PC100
2,5 Kg
3 wks
MBO TRS 1300P
Hamann 505
1984
140 gr
< 1 wk
Casio FX-730P
1982
1600 gr
1 mo
1985
6 mo
12 Kg
1968
1 mo
1,6 Kg
Facit 1113
Lloyds Accumatic 100
0,7 Kg
1972
< 1 wk
1978
Adler 1218
1,2 Kg
3 wk
1982
2 Kg
Sharp PC-1500/CE-150
< 3 hrs
General Teknika 8105
50 gr
While in 1970 heavy, noisy mechanical calculators were still sold and widely used, only 20 yrs later this credit-card sized device comprises a calculator, telephone book, clock and more for a very small fraction of the price of those mechanical calculators.
< 1 day
<50 gr
Casio fx-68
1979
7 Kg
1 mo
Olympia AE-D1
1 wk
Facit 1140
0,7 Kg
1965
1970
1 mo
2 wk
1,5 Kg
1 wk
Adler 1216
1,2 Kg
Canon 130s
Bohn Contex 55
Canon LE-10
1972
1,2 Kg
3 mo
5 mo
14 mo
1 mo
1955
Panasonic Compuvoice
Epson HX-20
180 gr
1971
Canon Pocketronic
0,8 Kg
1970/1971
2 mnd
1975
Mechanical Calculators
Electronic Calculators
Programmable Calculators
7 mo
< 3 hrs
<50 gr
Commodoor EC-821a
1980
3 mo
1967
7 Kg
1 mo
Compucorp 344
| Mechanical Calculators |
| Electronic Calculators |
| Typewriters |