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2026

Truss Calculations Sep 2026original ↗
24 Sept 2026
Back of the Envelope using Graph Paper Sep 2026original ↗
16 Sept 2026
Short Takesoriginal ↗
27 Aug 2026
Not Quite Uniform Loadings Aug 2026original ↗
17 Aug 2026
p5 test Jul 2026original ↗
10 Jul 2026
Divisibility July 2026original ↗
4 Jul 2026
Narlin Beaty’s Polyominos June 2026original ↗
22 Jun 2026
Protected: Custom iPhone Shortcuts May 2026original ↗
27 May 2026
Marion Walter’s Theorem May 2026original ↗
15 May 2026
Derive the Stiffness Matrix for a Beam Apr 2026original ↗
20 Apr 2026
UIL Number Sense Mar 2026original ↗
25 Mar 2026
Navigate this blog by Category Mar 2026original ↗
13 Mar 2026
How Likely Feb 2026original ↗
16 Feb 2026
Looking for a and b — and I accidentally re-proved the Pythagorean theorem Feb 2026original ↗
10 Feb 2026
Derivative — polygon properties after offsetting one point Feb 2026original ↗
4 Feb 2026
Centers of Gravity of the Triangle and Lean-To Trapezoid Jan 2026original ↗
30 Jan 2026

2025

Classical Structural Analysis (2nd verse) Dec 2025original ↗
28 Dec 2025
Classical Structural Analysis Dec 2025original ↗
14 Dec 2025
Gale-Shapley Algorithm Dec 2025original ↗
3 Dec 2025
The Triangle of Minimum Perimeter Nov 2025original ↗
3 Nov 2025
NotebookLM Cather Oct 2025original ↗
30 Oct 2025
Minimal Footprint Dropdowns in Excel Oct 2025original ↗
23 Oct 2025
Bow Out Aug 2025original ↗
21 Aug 2025
Automated Foundation Rebar Drawing Aug 2025original ↗
6 Aug 2025
Close Encounters in Batting Averages July 2025original ↗
6 Jul 2025
2D Engineering Interpolation Jun 2025original ↗
23 Jun 2025
The Bookshelf May 2025original ↗
31 May 2025
Lessons Learned (structural engineering) Apr 2025original ↗
24 Apr 2025
Marimo Notebook Mar 2025original ↗
28 Mar 2025
Fixed Fixed Beam with a Moment at any Point — Superposition Mar 2025original ↗
4 Mar 2025
Nobel Prize winner from NSF SSTPoriginal ↗
1 Mar 2025
NotebookLM Feb 2025original ↗
1 Mar 2025
Cantilever with a Concentrated Load at any Point — Castigliano’s 2nd Theorem Feb 2025original ↗
24 Feb 2025
Most general equation for the area of a triangle Feb 2025original ↗
16 Feb 2025
Multi-Dimension Data Table MDDT Feb 2025original ↗
9 Feb 2025
PyQt PyXLL Jupyter macros Feb 2025original ↗
1 Feb 2025
Much Better Dropdowns Jan 2025original ↗
12 Jan 2025

2024

Beautiful Retro Rebuild — Windows↓ Linux↑ Dec 2024original ↗
18 Dec 2024
Universal Dropdowns in Excel Dec 2024original ↗
12 Dec 2024
Plotly Insights Nov 2024original ↗
10 Nov 2024
App C2 AISC Bolt Capacity using Dash/PythonAnywhere Nov 2024original ↗
6 Nov 2024
Gehry+ Oct 2024original ↗
6 Oct 2024
Interval Filter using PyXLL Oct 2024original ↗
24 Sept 2024
Ohtani’s Batting Average Sep 2024original ↗
20 Sept 2024
LIGO Anniversary Sep 2024original ↗
14 Sept 2024
PyXLL PySide2 CTP ActiveX Sep 2024original ↗
5 Sept 2024
Nuclear Threat Aug 2024original ↗
22 Aug 2024
What is the perimeter? Jul 2024original ↗
18 Jul 2024
Solzhenitsyn Jul 2024original ↗
11 Jul 2024
Ruth Fertel Jul 2024original ↗
2 Jul 2024
Susan Kare Jun 2024original ↗
21 Jun 2024
A short history of “software as a service” June 2024original ↗
14 Jun 2024
Recent Updates Jun 2024original ↗
12 Jun 2024
Debt in the USA May 2024original ↗
14 May 2024
Executive Orders May 2024original ↗
9 May 2024
My Father May 2024original ↗
5 May 2024
Let’s Cut the Crap Apr 2024original ↗
19 Apr 2024
Fastest Maze-Solving Competition on Earth April 2024original ↗
11 Apr 2024
100 Prisoner Problems Mar 2024original ↗
1 Apr 2024
GeoGebra app Feb 2024original ↗
20 Feb 2024
Reflection on Billiards and Math Feb 2024original ↗
16 Feb 2024
John Smeaton — "Father of Civil Engineering" Feb 2024original ↗
7 Feb 2024
AISC Bolt Shear Capacity — Minimum Dimensions Feb 2024original ↗
4 Feb 2024
What Happened to the US Machine Tool Industry? Jan 2024original ↗
19 Jan 2024
What is the Day of the Week? Jan 2024original ↗
7 Jan 2024
Excel — Dictionary References with PyXLL Jan 2024original ↗
1 Jan 2024

2023

Hand Calculated Truss vs RISA Dec 2023original ↗
24 Dec 2023
Kolam Muggu Rangoli Dec 2023original ↗
14 Dec 2023
Wolfram — Writings Dec 2023original ↗
5 Dec 2023
Feynman — The Relation of Physics to Other Sciences Dec 2023original ↗
4 Dec 2023
Engineering Math Nov 2023original ↗
21 Nov 2023
The Engineering Hub Nov 2023original ↗
19 Nov 2023
AI outperforms conventional weather forecasting Nov 2023original ↗
15 Nov 2023
Convolution as seen in Virtual Work Nov 2023original ↗
3 Nov 2023
Photomath and Slide Rule Competition Oct 2023original ↗
26 Oct 2023
CQ Brown Oct 2023original ↗
3 Oct 2023
Excel — Drawing Automated Shapes with PyXLL Sep 2023original ↗
22 Sept 2023
Design for Flood, Wind, Seismic, Snow, Ice, and Fire Aug 2023original ↗
26 Aug 2023
Moment due to Linearly Varying Pressure Aug 2023original ↗
16 Aug 2023
Galleries Aug 2023original ↗
15 Aug 2023
Small Ideas — Large Effects Aug 2023original ↗
13 Aug 2023
Instant Access to all Postsoriginal ↗
9 Aug 2023
Online Embedded Excel Aug 2023original ↗
1 Aug 2023
Filter a Pandas Dataframe using PyXLL (with video) Jul 2023original ↗
26 Jul 2023
Enhanced Lookup — Excel and PyXLL June 2023original ↗
25 Jun 2023
Foundation Bearing Pressures using Jupyter and PyXLL (with videos) Mar 2023original ↗
20 Jun 2023
Math Test Jun 2023original ↗
19 Jun 2023
Solitary Math Jun 2023original ↗
16 Jun 2023
Soil Texture Triangle with Plotly Jun 2023original ↗
14 Jun 2023
No Reason Jun 2023original ↗
9 Jun 2023
Cédric Pilatte Jun 2023original ↗
5 Jun 2023
USS Hilarity (minesweeper) WWIIoriginal ↗
29 May 2023
ACI Rebar Lookup May 2023original ↗
21 May 2023
Weathering Apr 2023original ↗
1 May 2023
Encounter with Rustoriginal ↗
16 Mar 2023
Dr. Frank Komitsky, Jr. Feb 2023original ↗
21 Feb 2023
Mary Lou Houston Feb 2023original ↗
18 Feb 2023
Nobel Prize winner from Loyola SSTP 1970original ↗
17 Feb 2023
Dr. Robert Vidulich Jan 2023original ↗
15 Jan 2023
Digit Sums and Cyclic Patterns Jan 2023original ↗
4 Jan 2023
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