Compared to other machines this was a very cheap calculator. To allow for the low price some concessions were done to functionality as well as the design. Unlike most other machines there is no display of entered digits and multiplication is only half-automatic.
Internally parts are light and mostly punched out of steel plate. Still, they appear to be reliable.
As usual, using the “+” and “-” keys. Results appear in the lower register. The upper register is not used.
Enter the first number. Push the “X” key. Enter the second number starting with the least significant digit.
Results appear in the lower register. The upper register is not used.
Enter the first number. Push the “DIV I” key. Enter the second number. Push the “DIV II” key.
Division now starts. Results appear in the upper register. The lower register shows the residual value.
Function of some keys, switches etc:
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493 058 403
Addition, Subtraction, Half-automatic Multiplication, Automatic Division
Ca. DM. 1090,- in 1968 (Source: Büromaschinen Lexikon)
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