User Guide
12 CATALOG, Strings, Hyperbolic Functions
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
VARSY-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)
expr(
expr( converts the character string contained in string to an expression and executes
the expression. string can be a string or a string variable.
expr(string)
inString(
inString( returns the character position in string of the first character of substring.
string can be a string or a string variable. start is an optional character position at
which to start the search; the default is1.
inString(string,substring[,start])