### Categories

### RSS Feed

### Search NewtonExcelBach

### Archives

### Top Posts

- Commenting a block of code in VBA
- Using Goal Seek on Multiple Cells
- Using LINEST for non-linear curve fitting
- Solving Quadratic, Cubic, Quartic and higher order equations; examples
- Cubic Splines
- Drawing in Excel 7 - Creating drawings from coordinates
- Downloads by category
- Time in hours and minutes between two dates
- Taming Symbols in Excel
- Problems with UCase and LCase in VBA

### Recent Comments

Sophea CE on Biaxial bending update Python optional argu… on Using Python optional argument… Bill Harvey on Units4Excel Update dougaj4 on Units4Excel Update Bill Harvey on Units4Excel Update dougaj4 on Units4Excel Update Bill Harvey on Units4Excel Update Units4Excel Update |… on Extracting text from an Intern… dougaj4 on Using LinEst() on data with… More on RC design of… on Reinforced Concrete Design for… AndyF83 on Using LinEst() on data with… dougaj4 on Extracting text from an Intern… Kirby on Extracting text from an Intern… Extracting text from… on Evaluating text with units and… dougaj4 on Deflections and Moments in Rec…

# Category Archives: Coordinate Geometry

## Arc-spline update

The input for the first version of the Arcspline function required the coordinates of the centre of each arc, as well as the angle of the tangents at each end of the arc. I have now added a new version with … Continue reading

Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA
Tagged Arc-spline function, Excel, IP2.xlsb, UDFs, VBA
7 Comments

## Using VBA Evaluate as an Array Function

I recently discovered from a thread at Chandoo’s Excel Forum that the VBA Evaluate function can be used as an array function. As a simple example: Range(“A11:A16”).Value = Evaluate(“= B11:B16 + C11:C16”) will add the values in columns B and C, … Continue reading

Posted in Arrays, Coordinate Geometry, Excel, Maths, UDFs, VBA
Tagged array functions, Evaluate, Excel, UDFs, VBA
2 Comments

## Arcs and arc-splines

I have added two user defined functions (UDFs) to the IP2 spreadsheet to generate coordinates for a single arc, or a series of arcs connected (if necessary) by straight lines. The new version may be downloaded from: IP2.zip As an example … Continue reading

## Using Section Properties- Group

Following a recent comment I have updated the documentation for finding the section properties of groups of shapes in the Section-Properties-Group spreadsheet. The revised file can be downloaded from: Section Properties07-Group.zip The screenshots below illustrate use of the Group function to … Continue reading

## IP2_py Update for Python3

The spreadsheet IP2_py provides a large number of geometric functions, including intersection points of lines, circles and planes, interpolation, rotations, and converting between coordinate systems. Many of the functions are available in VBA and Python versions. The Python code has now … Continue reading