Summary - Casio FX-890P Owner's Manual

5.7.3 Summary

Variable types
The three following types of variable are available for use with this unit.
1. Numeric variables (up to 12-digit mantissa)
2. String variables (up to 255 characters)
3. Array variables
Variable names
Variable names can consist of upper, lower case or numeric characters, but a
numeric character cannot be used in the first position of the variable name (i.e. 1AE,
3BC$ are illegal).
Reserved words (see page 75) cannot be used as the leading characters of a
variable name (i.e. RUNON, LIST1$ are illegal).
The maximum length of a variable name is 15-character.
Arrays
1. Arrays are declared by DIM statements.
2. Elements described by subscripts, which are integer greater than 0. Fractions are
disregarded.
3. The number of dimensions is limited by stack capacity.
4. The maximum value of subscripts is limited by memory capacity.
Numeric array
String array
40
A, a, NUMBER, POINTS
A$, STRING$
A(10), XX(3,3,3)
A$(10), ARRAY$(2,2)