Chapter 9

COMMAND/SYNTAX USE

CLS-TO clear the screen

Input-To ask user to enter the data

Print-To Print anything

let-to suppose any value to a variable

CONDITIONAL COMMANDS

1. IF (CONDITION) THEN (STATEMENT)
-Conditional case

2.IF (CONDITION) THEN
(STATEMENT)
ELSE
(STATEMENT)
END IF
-Else conditional

3.IF (CONDITION) THEN (STATEMENT) ELSE (STATEMENT)

LOOP COMMANDS
FOR (VARIABLE1)= (VARIABLE) TO (VARIABLE) STEP (+/-) (VARIABLE)
(STATEMENT)
NEXT (VARIABLE1)-Looping statement

DATE$
-To return the system date

TIME$
-To return the system time

ABS (numeric expression)
-To return absolute value

ASC (String expresion)
-To return Ascii code

CHR$ (numeric expression)
-To return character of given ascii code

VAL (string expression)
-To return numeric value from given string

STR$ (numeric expression)
-To return string value from given numeric

INT (numeric expression)
-To return an integer

FIX (Numeric expression)
-To return a number with decimal

TIMER=(numeric expression)
-To return a time in numeric form

TAB (numeric expression)
-To return a space area

SPC (numeric expression)
-To return a space area

SPACE$ (numeric expression)
-To return a space area

LOCATE Row number,Column number
-To set an cursor to desired location for printing

STRING$ (numeric expression,string)
-To repeat astring upto given numeric value

LEN (string expression)
-To return length of string

LEFT$ (string expression,No of characters)
-To return a string from left side

RIGHT$ (numeric expression,No of characters)
-To return a string from right side

MID$ (string expression,starting value, no of characters)
-To return a string from left / right / middle

UCASE$ (string expression)
-To return a string in upper case

LCASE$ (string expression)
-To return a string in lower case