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Minimum und Maximum aus einer Daten- und einer Kriterienspalte

The problem of finding all circles in a plane that are tangent to three objects is known since the ancient Greeks. QRS…

Static Analysis in frameworks (bar trestles without torque)

Formally simple calculation of the abutment and bar forces.

processing of values imported into Excel should be automatic and adapt to the imported range size. This requires knowing the…

Use matrix fomula in Excel for aggreation without putting the values on a range. Sums and other aggregates on values using…

Calculating the value of an option (Intrinsic value and time value) of put and call options

QRS uses NextCloud WebDAV as basis for its files

Automated upload and download is operated using Windows PowerShell Scripts …

Fast solution of equation systems with band matrices of 2 upper and 2 lower secondary diagonals

The project to commute 40'000 km by e-bike has become reality

Setting up the conditions equation system in a matrix

Pass a cubic curve through two points with two parameters to choose

As a consequence to the measures ordered by the Swiss authorities, a considerable part of the industrial and professional…

Have Excel try to match all colors of facing tiles

Have Excel generate a crossword puzzle

Time entry in Android using the dial is comfortable. This article presents the Excel-Version from QRS, llc

Drawing of a star chart with the brightest stars and the major planets

Entry of a date using a pop-up calendar in the Excel worksheet

How to generate a sequence of numbers in SQL

How to solve a master mind game, listing the remaining possibilities.

An Excel Workbook for solving Sudoku puzzles using formulae

Have Excel draw a maze...