4-414 Detailed Explanation of Functions
4MELFA-BASIC V
Left$
[Function]
Obtains a string of the specified length starting from the left end.
[Format]
[Reference Program]
1 C1$=Left$("ABC",2) ' "AB" is assigned to C1$.
[Explanation]
(1) Obtains a string of the specified length starting from the left end.
(2) An error will be generated if the value is a negative value or is longer than the string.
(3) It is not possible to describe a function that contains an argument in <Character String> and <Equation>.
If such a function is described, an error will be generated during execution.
[Reference]
Mid$, Right$
Len
[Function]
Returns the length of the string.
[Format]
[Reference Program]
1 M1=Len("ABCDEFG") ' 7 is assigned to M1.
[Explanation]
(1) Returns the length of the argument string.
[Reference]
Left$, Mid$, Right$
<Character String Variable >=Left$(<Character String>, <Equation>)
<Numeric Variable>=Len(<Character String>)
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