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2022-08-26
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═╒╠╘╔-├╧╠╧╥ ┬┴╥ ╟╥┴╨╚╙
╫RITTEN BY: ╥OGER ╙. ═ACOMBER
═ULTI-├OLOR ┬AR ╟RAPHS FOR THE ├-64
╨OWER╨LAY ═AGAZINE, ╬OVEMBER 1985
╨AGE 109
╫HEN IT COMES TO SHOWING OFF THE
POWER OF YOUR ├-64, A GOOD PLACE TO
START IS WITH BAR CHARTS. ┬AR CHARTS
CONVERT NUMERICAL DATA INTO PICTURES
THAT CAN BE MORE READILY UNDERSTOOD.
╫HEN STARTING THIS PROGRAM, YOU MUST
FIRST MAKE A FEW DECISIONS ABOUT HOW
YOU WANT YOUR GRAPH TO LOOK. ╞IRST
YOU ARE ASKED FOR THE TITLES FOR THE
TWO AXES (UP TO FIVE CHARACTERS
EACH). ╬EXT YOU ARE ASKED FOR THE PLOT
TITLES (UP TO TEN CHARACTERS EACH).
┴FTER DECIDING ON THE TITLES, YOU
ARE READY TO INPUT YOUR DATA. ┘OU CAN
INPUT EITHER ONE OR TWO SETS OF DATA.
┘OU ARE ALSO ASKED FOR THE BOUNDARIES
OF THE VALUES. ╫HEN YOU SELECT THE
BOUNDARIES, YOU SHOULD CONSIDER THESE
FOUR RULES:
1. ╘HE UPPER BOUNDARY SHOULD BE
EQUAL TO OR GREATER THAN THE
LARGEST DATA ELEMENT.
2. ╘HE LOWER BOUNDARY SHOULD BE
LESS THAN THE SMALLEST DATA
ELEMENT.
3. ╘HE DIFFERENCE BETWEEN THE UPPER
AND LOWER BOUNDARY (╪╚╔╟╚-╪╠╧╫)
SHOULD BE AN EXACT MULTIPLE OF
30. ╞OR EXAMPLE, IF THE LOWEST
DATA ELEMENT IS 0 AND THE LARGEST
DATA ELEMENT IS 87, THEN THE
UPPER BOUNDARY SHOULD BE 90
BECAUSE 90 IS THE NEXT EVEN
MULTIPLE OF 30 (0,30,60,90).
4. ╘HE UPPER AND LOWER BOUNDARIES
SHOULD NOT BE MORE THAN FOUR
CHARACTERS IN LENGTH (INCLUDING
ANY DECIMALS).
┘OU THEN INPUT THE VALUES FOR THE
┘-AXIS BOUNDARIES. ╘HESE ARE SUBJECT
TO THE SAME RULES ABOVE, EXCEPT THAT
THERE IS NO CONSTRAINT ON (┘╚╔-┘╠╧).
╬EXT YOU ENTER THE NUMBER OF POINTS
(UP TO 300) TO PLOT. ╘HE DATA TO BE
USED CAN BE INPUT FROM EITHER THE
KEYBOARD OR THE DISK DRIVE. ╔F THE
DISK DRIVE IS SELECTED, THEN YOU MUST
SPECIFY THE FILE NAME (UP TO 5
CHARACTERS).
┴FTER INPUTTING THE DATA, IT WILL
BE SCALED ACCORDING TO THE BOUNDARIES.
╘HE GRAPH WILL THEN BE PLOTTED AND THE
GRAPH TITLES ARE PLOTTED. ┴ GOOD RULE
TO FOLLOW IS TO PLOT THE DATA WITH THE
LARGER ┘ VALUES FIRST. ╘HIS WILL
PRODUCE A MORE PLEASING GRAPH.
╘HIS PROGRAM IS COPYRIGHTED BY
╨OWER╨LAY MAGAZINE. ┴LL RIGHTS TO IT
ARE RESERVED. ╠╧┴─╙╘┴╥ HAS RELIEVED
YOU FROM THE BURDEN OF KEYING IN THIS
PROGRAM. ╞OR MORE COMPLETE
INFORMATION ABOUT THIS PROGRAM, REFER
TO THE ╬OVEMBER 1985 ISSUE OF
╨OWER╨LAY ═AGAZINE.
>╞ILES USED: ┬┴╥ ╟╥┴╨╚
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