Atari Basic by Bob Albrecht, LeRoy Finkel, Jerald R. Brown

By Bob Albrecht, LeRoy Finkel, Jerald R. Brown

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Give your answers as whole numbers. 99999631) 28 ATARI BASIC 25. Write a PRINT statement to evaluate each expression. We have supplied the results. ) 26. Suppose we put $123 into a savings account that pays 6070 interest per year, compounded yearly. The amount of money in the account after N years can be computed using the compound interest formula shown below. A = P(1 + R/l00)N where: P = Principal, or original amount put into the account. R = Rate of interest per year, in percent. N = Number of years.

Put 27 into N. But wait! A box can hold only one number at a time. Before you can enter 27 into N, you must first erase the 12 that you previously entered. (b) (c) Fill in the boxes before you look at the answer. NI 2_7----J L __ ASSIGNMENT STATEMENTS, STORED PROGRAMS, AND BRANCHING 43 3. When the computer puts a number into a box, it automatically erases the previous content of the box, just as you did. In order to put 27 into box N, you first erased the previous content, 12. We call A, B, C, ...

It is common practice to number by tens as we do in the following program. Then, if we wish, we can easily insert or add more statements into the program between existing statements. 14 • D How many additional lines could be added betwen line 10 and line 20? 9 (lines 11, 12, 13, 14, 15, 16, 17, 18, 19) Of course, you don't have to number by tens. If you prefer numbering by thirteens or fives or jumping around, help yourself! 11. Before we store a program, we must first remove or erase any old programs that may already be stored in the computer's memory.

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