S2E11 APX Enhancements to Graph It – Supplement

This episode features Enhancements to Graph It, originally released in 1982 by APX.  It was developed by Howard D. Siebenrock.  The main difference here is the ability to save and load the generated graphs.

Podcast: Download

Manual and Supplement Scans

Scan of the manual cover:

APX Enhancements Manual Cover

Ad from APX catalog Fall 1982:

APX Enhancements APX Ad

 

Enhancements to Graph It in Action

Before using Enhancements to Graph It, you must first merge the supplied program changes with your copy of the original Graph It BASIC programs.  Once merged and saved to a new diskette that is created as part of the process, you boot the new diskette.  Unlike Graph-It, Enhancements to Graph It equips you with a menu for easy selection.

Loading

APX Enhancements Load

 

Menu

APX Enhancements Menu

 

Bar Charts and Pie Graphs

Menu:

APX Enhancements Bar 1

 

Bar Charts

Bar Chart Menu:

APX Enhancements Bar 2

 

Viewing the result (Inverse ATASCII season 2 episode sizes):

APX Enhancements Bar 3 Size

 

Exit menu with Save option:

APX Enhancements Bar 4

 

Entering the save filename:

APX Enhancements Bar 5

 

Chart being saved:

APX Enhancements Bar 6

 

Using the Retrieve option to load a chart:

APX Enhancements Bar 7

 

Entering an * to select deletion instead of load:

APX Enhancements Bar 8

 

Viewing the retrieved chart:

APX Enhancements Bar 9

 

Pie Graphs

Menu:

APX Enhancements Pie 1

 

After entering the information, now viewing the result (Inverse ATASCII season 2 episodes by length category):

APX Enhancements Pie 2 Cat

 

Exit menu, with Save option:

APX Enhancements Pie 3

 

Graph being saved:

APX Enhancements Pie 4

 

Loading a Pie Graph using the Retrieve menu option:

APX Enhancements Pie 5

 

Two Dimensional X,Y Plots

Menu:

APX Enhancements XY 1

 

New Degrees or Radians menu:

APX Enhancements XY 2

 

Function is displayed while plotting occurs:

APX Enhancements XY 3

 

Viewing result.  Both function and degrees or radians is displayed for reference:

APX Enhancements XY 4

 

Exit menu, with Save option:

APX Enhancements XY 5

 

Entering a Save filename:

APX Enhancements XY 6

 

Plot being saved:

APX Enhancements XY 7

 

Loading a plot using the Retrieve menu option:

APX Enhancements XY 8

 

Two Dimensional Polar Plots

Menu:

APX Enhancements Pol 1

 

New menu for choosing Degrees or Radians:

APX Enhancements Pol 2

 

Functions are displayed while plotting occurs:

APX Enhancements Pol 3

 

Viewing result now has functions displayed as well as radians or degrees for reference:

APX Enhancements Pol 4

 

Exit menu, with Save option:

APX Enhancements Pol 5

 

Entering filename to save:

APX Enhancements Pol 5

 

Selecting a plot to load using the Retrieve menu option:

APX Enhancements Pol 7

 

Three Dimensional X,Y,Z Plots

Menu:

APX Enhancements XYZ 1

 

New menu to choose Radians or Degrees:

APX Enhancements XYZ 2

 

Viewing result.  Function and degrees or radians is displayed for reference:

APX Enhancements XYZ 3

 

Exit menu, with Save option:

APX Enhancements XYZ 4

 

Enter filename to save plot as:

APX Enhancements XYZ 5

 

Plot being saved:

APX Enhancements XYZ 6

 

Selecting a plot to load using the Retrieve menu option:

APX Enhancements XYZ 7

 

Files

Contents

Enhancements Graph It uses Atari DOS 2.0s.  The contents of the Enhancements to Graph It disk can be seen in this screenshot:

APX Enhancements Files Orig

 

After the merge and disk conversion process is complete, the new boot disk contents:

APX Enhancements Files Merge

 

Saved plot file sizes:

APX Enhancements Data

 

Standard APX disk identification file (DISKNAME.DAT) contents:

APX Enhancements Files

 

Printing

There is no provision for printing.

 

Instructions

You can find the manual in multiple locations on the internet.  Check the AtariMania site as one example.

 

Show Links:

 

Bit Rating 8

 

Intro music is an excerpt from a chip tune by Wizwars named 8 Bit Raceway.  It is used under Creative Common license Attribution-NonCommercial-ShareAlike 3.0 United States.
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