Franklin Deutsch/English Professor PRO BDS-1860 - Manual (Page 7)

5
Calculator Keys
A (1/x) Calculates a reciprocal.
S (
√
x) Calculates a square root.
D (x 2 ) Squares a number.
F (%) Calculates a percentage.
G (.) Inserts a decimal point.
H (+)/J (-) Adds, subtracts,
multiplies, or divides
numbers.
Y (+/-) Changes the number on
the screen to a negative
or positive number.
X (
M
+) Adds the number to the
number stored in the
memory.
C (
M
-) Subtracts the number
from the number stored
in the memory.
V (
MR
) Recalls the number
stored in the memory.
B (
MC
) Clears the memory.
+ Transfers a word between
books.
+ J
At the Word Entry screen,
types a hyphen (-).
+ M
In the Address field of the
databank, types @.
+ _’Types an apostrophe (’).
+ _’ Types a slash (/).
+ Goes to the traveller’s
phrases menu. If a word
is in the Word Entry
screen or is highlighted,
finds any phrases
containing that word.
+ At the Word Entry screen,
types an asterisk to stand
for a series of letters in a
word. In games, gives a
hint.
K (x)/L (÷)
Key Guide