Excel programs

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One of the main purposes of this website is to make public a few programs that I have written in my free time. All of them have been made using Microsoft Excel, and are avaliable for download.

I have also written some articles on the subject matter of each program, which I hope will be of some use, or at least of some interest!

Click on one of the links below to continue.

Program name and brief description
Related articles
  • Easter calculator - a program that can calculate the date of Easter for a given year
    		•  Calculation of Easter
  • Great circle calculator - a program that can calculate and plot the shortest route between two world locations
    		•  Great circles
  • Interpolator - a program that can find the polynomial curve that goes through up to 8 (x,y) pairs.
    		•  Lagrange interpolation
  • Method generator - a program that generates attractive, printable copies of methods used in English bellringing
    		•  None - program still in developement
  • Prime number calculator - a program that can check whether two numbers are prime, and compute their HCF and LCM.
    		•  Prime numbers
  • Solar system clock - a program for calculating the position of the Sun, Moon and planets.
    		•  None - program still in development
  • Sudoku solver - a program capable of solving 9 x 9 sudoku puzzles by logic, and if necessary, by guessing.
    		•  Introduction to sudoku
    Solving sudoku


    Page last updated on 7th September 2010 at 14:24 UT
    This page copyright 2007-10 Matthew Skues