Here - 1000 BiT

nnO INSTRUCTOR NOTES 27 SWITCHING NUMBERS WITH STRINGS^ This lesson treats two functions, STR$ and VAL. A general review of the concept of^ function is also made.r*)STR$ takes a number and makes a string which represents it.^ VAL does just the opposite, taking a string and making a numeric value from it. Itaccepts decimal and "scientific" notation (e.g., "1.2 E+31"). If the first character is not adecimal digit, or + or -, it returns the value "0". Otherwise, it scans the number,^ terminating at the first non-numeric character (other than the E of the scientific notation).r*)This interconversion of the two main types of variables adds great flexibility to programsinvolving numbers.r^ Functions return a value to the expression they are in. One also says that functions are"called" just as one calls a subroutine. The reason is, of course, that functions are^implemented as subroutines on the machine code level.QUESTIONS:^ 1. If your number marches too quickly in problem 2 of the assignment, how do you slow itdown?n2. If your program has the string "IN 1732 GEORGE WASHINGTON WAS BORN",r> write a few lines to answer the question "How long ago was Washington born?" (Youneed to get the birthdate out of the string and convert it to a number.)-^ 3. What is a value. What is meant by "a function returns a value"? What are some of thethings you can do with the value?n4. How do you convert the string "1999" to a number you can use in arithmetic?5. What is an argument of a function? How many arguments does the MID$( ) function~ have? How many for the CHR$( ) function?r*\6. Where in the line do commands always go? Can you put a function at the startof a line?O 7. What will you see if your program has the line:^65 PRINT Tl$n