Operation Manual

Chapter 15: CATALOG, Strings, Hyperbolic Functions 272
String Functions and Instructions in the CATALOG
Displaying String Functions and Instructions in the CATALOG
String functions and instructions are available only from the CATALOG. The table below lists the string
functions and instructions in the order in which they appear among the other CATALOG menu items.
The ellipses in the table indicate the presence of additional CATALOG items.
Concatenation
To concatenate two or more strings, follow these steps.
1. Enter
string1, which can be a string or string name.
2. Press Ã.
3. Enter
string2, which can be a string or string name. If necessary, press à and enter string3, and so
on.
string1+string2+string3...
4. Press Í to display the strings as a single string.
Selecting a String Function from the CATALOG
To select a string function or instruction and paste it to the current screen, follow the steps for selecting
an item from the CATALOG.
Equ4String(
Equ4String( converts an equation to a string. The equation must be store in a VARS Y-VARS variable. Yn
contains the equation.
Strn (from Str1 to Str9, or Str0) is the string variable to which you want the
equation to be stored.
Equ4String(Yn,Strn)
CATALOG
...
Equ
4String(
Converts an equation to a string.
...
expr(
Converts a string to an expression.
...
inString(
Returns a character’s place number.
...
length(
Returns a string’s character length.
...
String
4Equ(
Converts a string to an equation.
sub(
Returns a string subset as a string.
...