XerxesZorgon
XerxesZorgon
/ MainActivity.kt
Created
April 7, 2025 15:00
Buckaroo Time app for Android. Calculates solar time based on phone's GPS location and UTC time.
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| package com.example.buckarootime | |
| import android.Manifest | |
| import android.content.pm.PackageManager | |
| import android.os.Bundle | |
| import android.os.Looper | |
| import androidx.activity.ComponentActivity | |
| import androidx.activity.compose.setContent | |
| import androidx.activity.result.contract.ActivityResultContracts | |
| import androidx.compose.foundation.layout.* |
XerxesZorgon
/ Lean_into_Math.ipynb
Created
March 23, 2025 20:04
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XerxesZorgon
/ redflag.jl
Created
September 28, 2024 01:21
Solves a geometry problem using linear algebra and Heron's formula
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| #= | |
| Solves a geometry problem using linear algebra and Heron's formula | |
| See: Red Flag Day Geometry | |
| using Revise | |
| Load with: includet("redflag.jl") | |
| =# | |
| using LinearAlgebra |
XerxesZorgon
/ pi_license.gp
Created
July 26, 2024 19:10
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| /* | |
| The PI License | |
| Finds a four digit prime number n such that n is | |
| - Balanced: A prime equidistant from the previous and subsequent prime numbers. | |
| - Odious: A number is odious if the binary representation of the number as an odd number of 1's, and is evil if the number of 1's is even. | |
| - Happy: Add the squares of the digits to get a new number. Continue the process and if you ever get to $1$, the original number is happy. | |
| - Apocalyptic: If 2^n contains the sequence 666, then n is apocalyptic. | |
| Author: John Peach |
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| // Gmsh project created on Mon Jun 17, 2024 | |
| SetFactory("OpenCASCADE"); | |
| // Define points | |
| L = 0.5; // Tube length | |
| H = 0.05; // Tube width | |
| N = 10; // Number of rectangles along length of the tube | |
| Point(1) = {0, 0, 0, 1.0}; | |
| Point(2) = {L, 0, 0, 1.0}; | |
| Point(3) = {L, H, 0, 1.0}; |
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| // Shape parameters | |
| sphereRadius = 0.65; | |
| cylinderRadius = 0.3; | |
| cylinderHeight = 1.1; | |
| // Top level difference operation | |
| difference(){ | |
| // Intersection of cube and sphere | |
| intersection(){ |
XerxesZorgon
/ goldfish-conjecture.ipynb
Created
June 5, 2024 01:31
Calculations for the Student's t-test using Python in a JupyterLab notebook
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XerxesZorgon
/ stefan-boltzmann-revisited.ipynb
Created
May 28, 2024 19:17
Earth temperature from the Stefan-Boltzmann Law
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XerxesZorgon
/ Fibonacci.html
Created
February 2, 2024 19:36
Geogebra worksheet showing rotations/scaling for a linear transformation
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta name=viewport content="width=device-width,initial-scale=1"> | |
| <meta charset="utf-8"/> | |
| <script src="https://cdn.geogebra.org/apps/deployggb.js"></script> | |
| </head> | |
| <body> | |
| <div id="ggbApplet"></div> |
XerxesZorgon
/ Bretscher_sequence.ipynb
Created
February 2, 2024 19:24
Spectral decomposition of 2x2 matrix defining recursive sequence, in Mathematica
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