Atlas R300
Brother Procal 508AY
Casio FX-795P Pocket Computer
CASIO PC FX-730P
HP-97
Konkret 100
Olympia CD60
Privileg LC 10000 Super Timer
Sharp PC-1401
SHARP Pocket Computer PC-1246S
SHARP Pocket Computer PC-1270
SHARP Pocket Computer PC-1403H
SR1 (Schulrechner1)
Texas Instruments SR-10
Texas Instruments TI 1750
Time CALCULATOR, MR 413





SR1 (Schulrechner1)
VEB Mikroelektronik "Wilhelm Pieck" Mühlhausen , 1984
SR1 was widely implemented in regular and polytechnic secondary schools in 1984/85 and 1985/86. It replaced the slide rule, which was used before. This device can work with the first accumulator for 25 years without recharging. When the product was launched, it’s price was 123 German Marks.