Steren CAL-150 Instructivo De Uso página 170

The expansion procedure ( expansion value) can
be stored as a program.
Using the expansion memory slots
The expanded memory slots are used the same way as the
standard memory slots and are identifi ed as Z(1), Z(2), etc.
The letter Z with a number in parentheses afterwards will
indicate which number of expansion this memory slot is.
Manual Operations
Basic Operations
Arithmetic Operations
Arithmetic operations are realized by pressing the buttons in
the same way as with formulas.
For negative values, press the button before
introducing a value.