5.1
2023-01-29
1. Blank coordinate fields can be filled with random entries. Range choices are provided.
2. Process improvements and bug fixes.
5.0.1
2022-12-18
Bug fix and prevention
5.0
2022-12-16
1. Next 3D approximation shape: Sphere.
2. Bug fixes and UI improvements
4.1
2022-12-07
Link to Linear Algebra app (Matrix Solver Step by Step) with instructions on solving Least Squares problems
4.0
2022-11-20
Added the first 3D item: Plane.
3.2
2022-11-11
1. Residuals can be shown and hidden on the graph.
2. Best fit can be calculated with SVD for Line, Parabola, Polynomial and Trigonometric functions, when the standard Least Squares method with Orthogonal Projection does not work.
3. UI improvements and bug fixes.
3.1
2022-11-06
1. Added new Zoom Options, to zoom separately by X or Y.
2. UI improvements and bug fixes.
3.0
2022-10-24
Added a new Option to choose the Best Shape:
the App goes through all the possible shapes
and lists them in order from best to worst fit based on residuals.
2.2
2022-10-19
UI improvements and bug fixes.
2.1
2022-10-17
1. 'Bell Curve’ graph has color-coded areas for 1, 2 and 3 Standard Deviations.
2. Added a table with coordinates and residual data for each point.
3. Point sets can be pasted from other apps, such as Pages and Numbers.
4. New controls to scroll points UI up/down: 1 line, 1 page (4 lines), Top/Bottom.
5. Option to remove a point by swiping left.
6. Maximum number of points increased to 200.
7. Bug fixes and UI Improvements.
2.0
2022-10-09
1. Added two new shapes: 'Exponential Function’ and 'Bell Curve'.
2. Bug fixes.