Using The Calculator - Franklin LDS-1990 User Manual

Using the Clock
World Time determines your world
city.
World DST sets whether or not your
world city is in daylight savings time.
Date Format determines how you
display the date.
Set Date allows you to set the day,
month and year according to the
selected date format.
5. Press to open the menu of
options.
For the Set Time and Set Date
settings, press
fi eld.
6. Press or
to your choice.
For the Set Time and Set Date
settings, press
the next fi eld. Repeat step 6 for each
fi eld in the setting, then proceed to
step 7.
7. Press or EINGABE to accept the
settings.
Press to exit the menu without
changing the setting.
8. Press to return to the
organiser.
to highlight the fi rst
to move the highlight
again to move to

Using the Calculator

1. Press
2. Press
3. Perform your calculation.
You can type up to 10 digits.
Press...
G(.)
Z(+/-)
A(1/x)
S(√x)
2
D(x )
F(%)
✓
Memory Keys
Press...
X( +)
M
C( -)
M
V( )
MR
B( )
MC
47
.
.
To...
type a decimal point
use negative numbers
calculate reciprocals
calculate square roots
calculate squares
calculate percentages
To...
add the number on the
screen to the number
stored in memory
subtract the number
on the screen from
the number stored in
memory
recall the number from
memory
clear memory