Steren CAL-150 Instructivo De Uso página 163

Note:
When the calculator is powered off, it will automatically go
to RUN mode. However, the calculation mode, the location
of the decimal point, the number of signifi cant digits, and the
angle unit (Deg, Rad, Gra) will stay in memory.
In order to return to normal mode, press the
button.
Number of input / output digits and calculation digits
The range of input / output digits allowed is 10 digits for the
result of a logarithm or 2 digits for an exponent.
Example:
10
The results of operations that are greater than 10 or less
-2
than 10 will automatically be displayed in exponential
form.
Example: