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# K Technologies

Full-fledged numerical calculation with Excel

## Sitemaps

- [XML Sitemap](https://www.ktech.biz/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [11. Numerical Integration](https://www.ktech.biz/tutorial/11-quad/)
- [Experimental versions of XLPack for Python and XLPack for Matplotlib released](https://www.ktech.biz/topics/xlpack-python-matplotlib/)
- [Example program of XLPack for Python and XLPack for Matplotlib: (3) Animation (Arenstorf orbits)](https://www.ktech.biz/manual2/xlpack-py-mpl-ex3/)
- [Example program of XLPack for Python and XLPack for Matplotlib: (2) Animation (Simple pendulum)](https://www.ktech.biz/manual2/xlpack-py-mpl-ex2/)
- [Example program of XLPack for Python and XLPack for Matplotlib: (1) 3D visualization (Laplace equation)](https://www.ktech.biz/manual2/xlpack-py-mpl-ex1/)
- [XLPack for Matplotlib Installation Manual](https://www.ktech.biz/manual2/xlpack-mpl-inst/)
- [XLPack for Matplotlib Reference Manual](https://www.ktech.biz/manual2/xlpack-mpl-ref/)
- [XLPack for Matplotlib User's Manual](https://www.ktech.biz/manual2/xlpack-mpl-user/)
- [XLPack for Python User's Manual](https://www.ktech.biz/manual2/xlpack-py-user/)
- [XLPack for Python Installation Manual](https://www.ktech.biz/manual2/xlpack-py-inst/)
- [16. Linear Calculations of Sparse Matrices](https://www.ktech.biz/tutorial/16-sparse/)
- [9. Nonlinear Optimization (Single Variable)](https://www.ktech.biz/tutorial/9-nlopt1/)
- [7. Nonlinear Equations (Single Variable)](https://www.ktech.biz/tutorial/7-nleq1/)
- [Revised version of XLPack 7.0 (7.0.11)](https://www.ktech.biz/uncategorized/revised-version-of-xlpack-7-0-7-0-11/)
- [Revised version of XLPack 7.0 (7.0.10)](https://www.ktech.biz/topics/revised-version-of-xlpack-7-0/)
- [15. Random Numbers](https://www.ktech.biz/tutorial/15-rand/)
- [14. Nonlinear Least Squares Method](https://www.ktech.biz/tutorial/14-nlsq/)
- [13. Fast Fourier Transform (FFT)](https://www.ktech.biz/tutorial/13-fft/)
- [12. Ordinary Differential Equations](https://www.ktech.biz/tutorial/12-ode/)
- [10. Nonlinear Optimization (Multiple Variables)](https://www.ktech.biz/tutorial/10-nlopt/)
- [8. Nonlinear Systems of Equations](https://www.ktech.biz/tutorial/8-nleq/)
- [6. Algebraic Equations](https://www.ktech.biz/tutorial/6-alg/)
- [5. Interpolation](https://www.ktech.biz/tutorial/5-int/)
- [4. Linear Least Squares Method](https://www.ktech.biz/tutorial/4-lsq/)
- [3. Eigenvalues and Eigenvectors](https://www.ktech.biz/tutorial/3-eigen/)
- [2. Systems of Linear Equations](https://www.ktech.biz/tutorial/2-lineq/)
- [0. Introduction](https://www.ktech.biz/tutorial/0-intro/)
- [1. Special Functions](https://www.ktech.biz/tutorial/1-sf/)
- [XLPack 7.0 Released](https://www.ktech.biz/topics/xlpack-70/)
- [XLPack Basic 7.0 Release Notes](https://www.ktech.biz/manual-add/xlpack-basic-70-rel/)
- [XLPack 7.0 Release Notes](https://www.ktech.biz/manual-add/xlpack-70-rel/)
- [XLPack 7.0 API Guide](https://www.ktech.biz/manual/xlpack-70-api/)
- [XLPack 7.0 User's Guide](https://www.ktech.biz/manual/xlpack-70-ug/)
- [XLPack 6.1 Manual](https://www.ktech.biz/manual/xlpack-60-manual/) - List of Functions/Subroutines | XLPack Basic (basic functions) Reference Manual | XLPack (Module 1 to 4 full functions) Reference Manual
- [XLPack 7.0 Manual](https://www.ktech.biz/manual/xlpack-70-man/)
- [XLPack Solver - Second order Ordinary Differential Equations (ODEs)](https://www.ktech.biz/document/xlpack-solver-ode2/)
- [XLPack Solver - Save/restore Parameters](https://www.ktech.biz/document/xlpack-solver-parms/)
- [XLPack Solver - Ordinary Differential Equations (ODEs)](https://www.ktech.biz/document/xlpack-solver-ode/)
- [XLPack Solver - Quadrature (infinite interval)](https://www.ktech.biz/document/xlpack-solver-quad3/)
- [XLPack Solver - Quadrature (semi-infinite interval)](https://www.ktech.biz/document/xlpack-solver-quad2/)
- [XLPack Solver - Quadrature (finite interval)](https://www.ktech.biz/document/xlpack-solver-quad/)
- [XLPack Solver - Nonlinear Least Squares Problems](https://www.ktech.biz/document/xlpack-solver-nllsq/)
- [XLPack Solver - Multivariate Nonlinear Optimization](https://www.ktech.biz/document/xlpack-solver-nlopt/)
- [XLPack Solver - Univariate Nonlinear Optimization](https://www.ktech.biz/document/xlpack-solver-nlopt1/)
- [XLPack Solver - System of Nonlinear Equations](https://www.ktech.biz/document/xlpack-solver-nleq/)
- [XLPack Solver - General Nonlinear Equation](https://www.ktech.biz/document/xlpack-solver-nleq1/)
- [XLPack Solver](https://www.ktech.biz/document/xlpack-solver/)
- [XLPack 6.1 Released](https://www.ktech.biz/topics/xlpack-61/)
- [XLPack API Guide](https://www.ktech.biz/manual/xlpack-60-api/) - What is XLPack API | Downloading software | Reference manuals | Using API | How to use LAPACKE/CBLAS | Example programs using API [...]
- [XLPack 6.1 User's Guide](https://www.ktech.biz/manual/xlpack-60-guide/) - 1. System requirements | 2. List of functions/subroutines | 3. Installing software (Basic functions) | 4. Installing software (Additional functions) | 5. Setting up Excel | 6. Uninstalling software | 7. Sample worksheet [...]
- [XLPack 6.0 updated version](https://www.ktech.biz/topics/xlpack-6-update/)
- [XLPack Lite 5.4 Manual (obsolete)](https://www.ktech.biz/manual/xlpack-lite-54-manual/) - Reference Manual | VBA subroutines/functions | Worksheet functions | Solver [...]
- [XLPack 5 reverse communication versions](https://www.ktech.biz/manual/xlpack-5-revcom/) - Description of the reverse communication versions which are newly supported from XLPack version 5 in addition to the existing callback versions.
- [XLPack 6.0 Released](https://www.ktech.biz/topics/xlpack-60/) - XLPack new version 6.0 has been released. See more details in Introduction to XLPack. [...]
- [XLPack 5.4 API Manual (obsolete)](https://www.ktech.biz/manual/xlpack-api/) - What is XLPack API | Downloading software | Reference manuals | Using API | How to use LAPACKE/CBLAS | Example programs using API [...]
- [XLPack 5.4 Manual (obsolete)](https://www.ktech.biz/manual/xlpack-54-manual/) - Reference Manual | VBA subroutines/functions | Worksheet functions | Solver [...]
- [XLPack API: Pascal example programs](https://www.ktech.biz/manual-api/pascal/)
- [XLPack API: Python example programs](https://www.ktech.biz/manual-api/python/)
- [XLPack API: Julia example programs](https://www.ktech.biz/manual-api/julia/)
- [XLPack API: VB.Net example programs](https://www.ktech.biz/manual-api/vb/)
- [XLPack API: C# example programs](https://www.ktech.biz/manual-api/cs/)
- [XLPack API: C/C++ example programs](https://www.ktech.biz/manual-api/c/)
- [XLPack API: F# example programs](https://www.ktech.biz/manual-api/fs/)

## Pages

- [Home](https://www.ktech.biz/) - Developing easy to use numerical calculation software with your home/office PCs. XLPack is the set of expansion modules of Excel for numerical calculation.
- [Products](https://www.ktech.biz/products/) - List of software products of K Technologies.
- [XLPack for Python/Matplotlib](https://www.ktech.biz/products/xlpack-for-python-matplotlib/)
- [Downloads](https://www.ktech.biz/support/downloads/) - You can download programs, sample data, and related documents.
- [XLPack](https://www.ktech.biz/products/xlpack/) - XLPack is the set of expansion modules of Excel for numerical calculation including features useful for wide range of scientific fields.
- [Product Support](https://www.ktech.biz/support/product-support/) - Contact form for product support. You can send messages to our support desk.
- [Download XLPack SDK (obsolete)](https://www.ktech.biz/support/downloads/sdk-download/) - You can download XLPack SDK software.
- [About this site](https://www.ktech.biz/about/) - Technologies provides the easy-to-use but full-fledged software products for numerical computation by home/office PCs.
- [Privacy policy (Personal information protection policy)](https://www.ktech.biz/about/privacy/)
- [FAQ](https://www.ktech.biz/support/faq/) - Link to FAQ page.
- [Contact](https://www.ktech.biz/about/contact/) - Contact form. You can send messages to our support desk.
- [Support](https://www.ktech.biz/support/) - Support information is provided.
- [Documents](https://www.ktech.biz/documents/) - Product manuals (Manual), how to use XLPack (Tutorial), and general and XLPack specific description of numerical calculation methods (Numerical Computation).

## Categories

- [Uncategorized](https://www.ktech.biz/category/uncategorized/)
- [Topics](https://www.ktech.biz/category/topics/)
- [Tutorial](https://www.ktech.biz/category/tutorial/)
- [Manual](https://www.ktech.biz/category/manual/)
- [Solver document](https://www.ktech.biz/category/document/)
- [Manual (API)](https://www.ktech.biz/category/manual-api/)
- [Manual (Add)](https://www.ktech.biz/category/manual-add/)
- [Manual2](https://www.ktech.biz/category/manual2/)