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 Ckey in the sequence below.

Example: To save the following formula, recall it, andthen use it to calculate a result: Y = X2 + 3X – 12
Input the formula.

pypu pxK +

3 p x ,12

Store it in memory.

C

Input a value for its variable. 7 =

=

8 =

Y=X 2 +3X-12

0.

X?

0.

58.

X?

7.

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.

31 i n cm

0.

31 i n cm = 78.74

E-25