Operation Manual

Chapter 15: CATALOG, Strings, Hyperbolic Functions 273
expr(
expr( converts the character string contained in string to an expression and executes it. 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 is 1.
inString(string,substring[,start])
Note: If string does not contain substring, or start is greater than the length of string, inString( returns 0.
length(
length( returns the number of characters in string. string can be a string or string variable.
Note: An instruction or function name, such as
sin( or cos(, counts as one character.
length(string)
String4Equ(
String4Equ( converts string into an equation and stores the equation to Yn. string can be a string or
string variable. String4Equ( is the inverse of Equ4String(.
String4Equ(string,Yn)