E-25
• Memory can hold a single formula, up to 79 steps long.
This function can be used in the COMP or CMPLX mode
only.
• Note that the formula is actually stored in memory when
you press the
C
key in the sequence below.
•
Example:
To save the following formula, recall it, and
then use it to calculate a result: Y = X
2
+ 3X – 12
Input the formula.
p
y
p
u
p
x
K
+
3
p
x
,
12
Y= X
2
+ 3 X-12
0.
Store it in memory.
C
X?
0.
Input a value for its variable.
7
=
58.
=
X?
7.
8
=
76.
• Formula memory is cleared whenever you start a new
calculation, change to another mode, or turn off power.
Metric Conversions
(fx-570W/ fx-991W)
• A total of 20 different conversion pairs are built-in to pro-
vide quick and easy conversion to and from metric units.
• See the Conversion Pair Table on page 26 for a com-
plete list of available conversion pairs.
•
Example:
To convert 31 inches to centimeters
31
A
c
CONV
01
CONV 1
01 is the inches-to-centimeters conversion pair number.
0.
31 i n cm
=
78.74
31 i n cm