Update Archive
| Date | Page | Modification |
|---|---|---|
| 2012-12-28 | QA-P4, QA-Ci2, QA-Cu1, QA-Cu7, QA-Tf2, QG-P2, QG-P3, QG-L1, QG-Ci2, QG-Tf2, QL-Ci2, QL-Cu1, QL-Tf1 (extra properties regarding QA-P41 QG-2P2/3/4/5, QG-P17/18/19, QG-Ci1/2/3) | addition |
| 2012-12-26 | QA-P41, QG-Tr3, QG-Ci3 (new point, triangle, circle) | new |
| 2012-12-25 | QL-Ci6, new property | addition |
| 2012-12-24 | QG-Co1, QG-Co2, QG-L1, QG-P1, QG-P2, QG-P3, QG-P17, QG-P18, QG-P19, QG-2P4 (addition properties wrt Polars) | addition |
| 2012-12-23 | QL-Co1, QL-Co2, QL-Co3, QL-P1, QL-P2, QL-P7, QL-P8, QL-P9, QL-P12, QL-P13, QL-P25 (addition properties wrt Polars) | addition |
| 2012-12-15 | QG-P17, QG-P18, QG-P19 (new QG-points), QG-Ci1, QG-Ci2 (new QG-circles), QG-2P2, QG-2P3, QG-2P4, QG-2P5 (new QG-bicentric pairs) | new |
| 2012-12-10 | QA-Tr1, QL-Tr1 (addition self-polar property) | addition |
| 2012-12-06 | QA-P40 (new point), QA-L7 (new line), QA-Tr4 (new triangle) | new |
| 2012-12-06 | QA/1, QL/1, explanation Triple Triangles, QA-P3, QA-Tr3, new properties | addition |
| 2012-12-02 | QG-Co3, QG-P15: mutual properties | addition |
| 2012-12-01 | QA-P26, QL-P12, QL-P15, QG-P8, QG-L3, QG-P16, QG/2, QG/3, QL-P26, QG-P14 (centroid related and misc. properties) | addition |
| 2012-11-30 | QA-P9, QL-P5, addition combined property | addition |
| 2012-11-29 | QG-P1, QG-P15, QG-Tf2, QL-P1, QL-Tf1, QA-P3, QA-P4, QA-L4, QA-Cu1, QA-Tf2, QA-Tr2 (new properties wrt QG-P16) | addition |
| 2012-11-29 | QG-P16, new point by Eckart Schmidt | new |
| 2012-11-11 | QL-P26, alternative construction method | addition |
| 2012-11-06 | QL-P1, new property Francisco Javier García Capitán | addition |
| 2012-10-29 | QA-P38, new picture + addition to 3rd property, QG-P5, new property | addition |
| 2012-10-19 | QA-P5, new property | addition |
| 2012-10-12 | QG-L6 (new line), QG-2P1 (new bicentric pair) | new |
| 2012-10-08 | QA-P23 (new references Ref-15g, Ref-15h, Ref-29) | addition |
| 2012-10-07 | QL-L1, QL-P26, QG-P9, QG-P13, QG-P14, QG-Tf2 (new properties Eckart Schmidt) | addition |
| 2012-10-01 | QA-P2 (new property) by Seiichi Kirikami | addition |
| 2012-09-30 | QA-P5 (new property), QA-P39 (new point) by Seiichi Kirikami | addition |
| 2012-09-26 | QL-12L1, QL-12P1, new properties | addition |
| 2012-09-24 | QG-Co1, QG-Co2 construction-methods | addition |
| 2012-09-22 | QL-P2, QL-L1, QL-L8, QL-L9, QG-P8, QG-P9, QG-P10, QG-P11 (new properties from Eckart Schmidt) | addition |
| 2012-09-13 | New property and construction method QA-P20 by Seiichi Kirikami | addition |
| 2012-08-24 | QA-P1, QA-P2, QA-P10, QA-P11, QA-P12, QA-L1, QA-L5, QL-L4, QL-L6, QG/3, QG-P8, QG-Co2, QG-Co3 (new properties from Eckart Schmidt) | addition |
| 2012-08-24 | QA-Co2, Ref-28 (addition Reference 28) | addition |
| 2012-08-21 | QA-P1, QA-P5, QA-P20, QG/2, QG-P1, QG-P2, QG-P7, QG-P10, QG-P14, QL-L9 (new properties regarding QG-P15) | addition |
| 2012-08-20 | QG-P12, QG-P13, QG-P14, QA-P20, QA-Tf2 (Involutary Conjugate wrt QG-points) | addition |
| 2012-08-20 | QG-P15, new point Seiichi Kirikami, QA-Co1, QA-Cu1, QL-L1 (new property wrt QG-P15) | new |
| 2012-08-19 | QA, QL, modified description Quadrangle / Quadrilateral | modification |
| 2012-08-19 | QG-Co3, new picture + addition 1st property | addition |
| 2012-08-16 | QA-P3, new property Randy Hutson | addition |
| 2012-08-15 | QA-Cu2, QA-Cu4, extra properties | addition |
| 2012-08-15 | QA-Co1, QG/5 (new point on Nine-point Conic QA-Co1) | addition |
| 2012-08-08 | QL-P5: new property Seiichi Kirikami | addition |
| 2012-08-08 | QA-Co2: new property Floor van Lamoen | addition |
| 2012-08-04 | QG-P4 till QG-P11 (addition references to QG-L4, QG-L5, QG-Tr1, QG-Tr2) | addition |
| 2012-08-04 | QG-L4, QG-L5, QG-Tr1, QG-Tr2 | new |
| 2012-08-01 | QA-P3, QA-P10, QA-P24, QA-P26, QL-P1, QL-P2, QL-P12, QG-P1, QG-P4, QG-P5, QG-P8, QG-P13 (mutual QA-/QL-/QG-lines Eckart Schmidt, July 2012) | addition |
| 2012-07-29 | QA-Co/1, addition coordinates | addition |
| 2012-07-28 | QA-P2, QA-P18, QA-P19, QA-Co5, QA-Co/1 (new properties Randy Hutson, July 2012) | addition |
| 2012-07-28 | QA-P9, QA-P14, QA-P15, QA-P16, QL-P6, QL-P13, QL-P20, QG-L3 (new properties Eckart Schmidt, July 2012) | addition |
| 2012-07-22 | QG/2: new lines with QG-/QA-/QL-points | addition |
| 2012-07-21 | QA-P38, QA-Co4, QA-Co5 (properties wrt QA-DT-Conic Perspector) | addition |
| 2012-07-21 | QA-Co/1 QA-DT-Conic Perspector | new |
| 2012-07-17 | QA-P1, QA-P2, QA-P9, QA-P10, QA-P14, QA-P15, QA-P20, QA-P25, QA-P26, QA-P32, QA-P33, QA-P34, QL-Ci3, QL-P1, QL-P2, QL-P4, QL-P6, QL-P8, QL-P9, QL-P14, QL-P15, QL-P16, QL-P17, QG-P1, QG-P4, QG-P5, QG-P7, QG-P8, QG-P9, QG-P10, QG-P12, QG-P14 (div. properties Triangles, Circumcircles formed by QA- and QL-versions different points) | addition |
| 2012-07-17 | QA-P1, QA-P14, QA-P15, QA-P21, QL-P5, QL-P18, QL-L1, QL-L4, QL-L6, QG-P2, QG-P10, QG-P12 (collinearities QA- and QL-versions different points) | addition |
| 2012-07-10 | QL-P12: new type of construction (last one) | addition |
| 2012-07-05 | QA-P38: new point (Angel Montesdeoca, Randy Hutson) | new |
| 2012-07-05 | QA-P1: second last property | addition |
| 2012-07-05 | QA-P16: property #9 | addition |
| 2012-07-05 | QA-P19: property #7 | addition |
| 2012-07-04 | QL-P16: new property at the end | addition |
| 2012-06-28 | QL-P5: 2 new properties (last ones) | addition |
| 2012-06-26 | QG-P1: new property at the end | addition |
| 2012-06-23 | QL-L9: new property at the end | addition |
| 2012-06-21 | QG-P10: new property at the end | addition |
| 2012-06-20 | QA-P2: new property at the end | addition |
| 2012-06-20 | new reference Ref-27 | addition |
| 2012-06-20 | QA-P4: 6 new properties (last ones) | addition |
| 2012-06-18 | QG-P5: extra picture + addition properties #4 & #5 | addition |
| 2012-06-18 | QA-P9: property #3 | change |
| 2012-06-07 | Encyclopedia of Quadri-Figures | START |
| 2011-12-28 | Perspective Fields part II 1.0 | START |
| 2011-12-21 | Perspective Fields part I 1.0 | START |
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