Author: khoitsma
Structural engineer, Python programmer
The Triangle of Minimum Perimeter Nov 2025
NotebookLM Cather Oct 2025
Minimal Footprint Dropdowns in Excel Oct 2025
Bow Out Aug 2025
Automated Foundation Rebar Drawing Aug 2025
QuickLinks
Instant Access to all Posts
Short Takes
My Dash apps
My GeoGebra app
What is the most general equation for the area of a triangle?
The Wait calculation
The incessant obsolescence postulate (IOP)
Barnard’s Star and the 'Wait Equation'
IOP counterargument
The amazing arbelos (only good on a real desktop)
Japanese temple geometry
★ Sister Celine — a beautiful life
★ John Lienhard IV on Ingenuity
★ Charles Stutzenbaker, Field Biologist
Neal Stephenson on the OS
A few quotations
Tyler TX weather • 🌡 Steve Fitzgerald
Tyler TX weather • 3-day history
Tyler TX weather • calendar month
Tyler TX weather • graph month
East Texas weather • TAMU
★ All of the water in the world
Hacker News (from YCombinator)
Instant Access to all Posts
Short Takes
My Dash apps
My GeoGebra app
What is the most general equation for the area of a triangle?
The Wait calculation
The incessant obsolescence postulate (IOP)
Barnard’s Star and the 'Wait Equation'
IOP counterargument
The amazing arbelos (only good on a real desktop)
Barnard’s Star and the 'Wait Equation'
IOP counterargument
Japanese temple geometry
★ Sister Celine — a beautiful life
★ John Lienhard IV on Ingenuity
★ Charles Stutzenbaker, Field Biologist
Neal Stephenson on the OS
A few quotations
Tyler TX weather • 🌡 Steve Fitzgerald
Tyler TX weather • 3-day history
Tyler TX weather • calendar month
Tyler TX weather • graph month
East Texas weather • TAMU
★ All of the water in the world
Hacker News (from YCombinator)
.svg)
