| 25.12.2019 | In the section Function approximation added the class HarmAppr and the class HarmApprMod |
| 03.11.2019 | In the section Figures in space added the Triangle3d::getNormal function |
| 01.10.2019 | In the section Maximum flat shape in space added the maxEllipseInTriangleA and maxEllipseInTetrahedronA functions |
| 29.09.2019 | In the section Maximum ellipse inscribed in a polygon added the maxEllipseInTriangleA function |
| 17.09.2019 | In the section Figures in space added the class Ellipse3d |
| 16.09.2019 | In the section DEMO application added the version 56 |
| 15.09.2019 | In the section Minimum spanning figure in space added the minRegularTetrahedronAroundPoints function |
| 09.09.2019 | In the section DEMO application added the version 55 |
| 04.08.2019 | In the section DEMO application added the version 54 |
| 03.08.2019 | In the section Maximum figure inscribed in a polyhedron added the maxPolyhedronInConvexPolyhedron function |
| 17.07.2019 | In the section Perimeter of an Ellipse added Pade formulas |
| 16.07.2019 | In the section DEMO application added the version 53 |
| 13.07.2019 | In the section Pseudo- и quasi-rand numbers added the class QRand2Point2d and the class QRand2Vector3d |
| 05.06.2019 | In the section Solution of systems of linear equations by Gauss method the doGaussRow functions are replaced by sluGaussRow |
| 12.05.2019 | In the section Pseudo- и quasi-rand numbers added the getRandSpin3d function |
| 09.05.2019 | In the section Four-Dimensional vectors added the getNearPoint2 function |
| 28.04.2019 | In the section Four-Dimensional vectors added the getNearPointU function |
| 27.04.2019 | In the section Small systems of linear equations added the template class for Matrix3 and Matrix4 |
| 22.04.2019 | In the section Four-Dimensional vectors added the function of intersection of four hyperplanes |
| 21.04.2019 | Added the SLU4 class template to the Small systems of linear equations section |
| 02.03.2019 | Added the "Summation formulas" subkey to the Mathematical formulas |
| 06.02.2019 | Added the "Möbius inversion" subkey to the Mathematical formulas |
| 02.02.2019 | Added the "Dirichlet series and Liouville function" subkey to the Mathematical formulas |
| 26.01.2019 | The Mathematical formulas section now uses images made in Word |