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Oundle,
PE8 4JX, UK
ISBN: 1-898389-46-2

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Below list the new updated features of Autograph version 3.1

See also What's New in 3.2 and What's new in 3.3

 

 

 

GENERAL

Greatly improved interface including Standard and Advanced level options; improved graphics throughout, including Gradient fill options

Greatly improved axes appearance (including graph paper effect)

Newly commissioned web site

Interactive Whiteboard facilities: built-in scribble and rub-out tools, and a new on-screen keyboard

• Newly commissioned "Arial for Autograph" true-type Unicode Font

including two useless keys put to work: ` => – (MINUS) and ¬ => × (MULTIPLY)

Autograph "Extras" incorporated into Autograph as "Flash" pages

Edit: Unlimited Undo and Redo, and select-all objects; eExpanded Preferences settings

New Modes toolbar, containing all the operational modes and zooms.

• The Help File -now nearly 300 pages long, presented in 'Flash', all inter-inked from each dialogue box..

• Constant Controller - This now allows multiple constant animations to be set up and started at the same time; can be all run from the on-screen keyboard

• Hide/View Status Bar - in case not needed in the classroom

• Standard Level [previously 'Junior'] - snap setting (2D)
New toolbar options to set the 'snap' settings for points to 1 or 1/10

Facility to create "instructions window", saved with current Autograph page.

Autograph Resources - associated application installed with Autograph, contains Flash demos and other resources.

NEW WORDS: "Group" is now => "Shape", and "Cursor" is now => "Point"


 

 

 

1D STATISTICS

Raw data entry: greatly improved - accepts column headers from Excel

Grouped data entry improved:
- new "include extra class" option (eg full marks)
- New "f-x" entry system for Grouped Data
- "Recalculate" options for class intervals and frequencies improved.

Line Graphs and Moving Averages - from discrete grouped data

Box plots improved:
- can contruct from just Min, Q1, Median, Q3 and max
- can plot from raw data or from grouped data

Data types: Clear indication of "Raw", "Grouped" and "Grouped with Raw"
Cumulative Frequency Curve - improved fitting options
Autosale and auto-label - on each first plot.


 

 

 

2D GRAPHING and Coordinate Geometry

Vector equation of a line - new top level object

Shapes:
- selection now by clicking on the coloured area
- individual points in shapes can be dragged.

• plotting improved

- including y = x^(a/b) to cope with negative indices when x < 0
- Startup options now allow control of domain
- Piecwise: now set to start of each then the final of the last one

Maclauring Series - plotted dynamically

• Constructed circle and any straight line selected

- Intersection points now found

• Point mode: Hold CTRL for Intersections
- This will identify INTERSECTIONS (either f(x) = 0, or f(x) = g(x)

• 2D XY Data set dialogue box:
- Improved pasting of data from Excel, including Column Headers
- Options to use headers as lebels, and to perform 'autoscale' on exit
- Residuals: new option "always square" when aspect is not equal

• Polar grid
- Edit Axes => Options => Grid sub-divisions implement for polar grid.

Parametric plotting improved
- placing a point intelligently finds an editable value of 't'
- new options: show velocity and acceleration

• 2D Implicit plotting
Default step increased to 100, and permissible range to 200

• Piecewise start-up
2 vectors: scalar product; angle between vectors
2 lines: angle between lines
1 line and a point: closest distance

• New axes options
-
Equal aspect mode now adjusts by altering the 'x'-spacing to fit the 'y'
- No axes - for construction work


 

 

 

3D GRAPHING and Coordinate Geometry

3D GRAPHING: this is a completely new section

3D Coordinate geometry
- points, lines, planes
- shortest distances, perpendiculars

3D Vectors
- sum, difference, scalar and vector products
- lines and planes derived from vectors

3D Surfaces
- z = f(x,y)
- second degree equations (the cone and conic sections)
- general implicit plotting
- polar plotting: cylindrical and polar coordinates

3D Parametric line plotting
- x = f(t), y = f(t), z = f(t) full control over the parameter
- placing points on the line finds an intelligent value of 't'
- show velocity and acceleration vectors

3D shapes
- enlargement, rotation (based on a point)
- reflection in a plane
- by 3x3 matrix

   

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