| Directory: | Regional / South_America / Argentina / Society_and_Culture / Personal_Pages |
| Title: | Dario Alejandro Alpern's page |
| Description: | Contains pages about mathematics and Intel microprocessors assembly language. |
| Location: | http://www.alpertron.com.ar/ENGLISH.HTM |
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| Directory: | Science / Math / Mathematicians / Personal_Pages / A |
| Title: | Alpern, Dario |
| Description: | Electrical engineer and computer programmer. Some fun calculators, equation solvers, and numerical problems. Brief biographical information. |
| Location: | http://www.alpertron.com.ar/ENGLISH.HTM |
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| Directory: | Science / Math / Number_Theory |
| Title: | Number Theory |
| Description: | Proofs along with equation solvers and graphical views written in Java. |
| Location: | http://www.alpertron.com.ar/NUMBERT.HTM |
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| Directory: | Science / Math / Number_Theory / Diophantine_Equations |
| Title: | Quadratic Diophantine Equation Solver |
| Description: | Dario Alpern's Java/JavaScript code that solves Diophantine equations of the form Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0 in two selectable modes: "solution only" and "step by step" (or "teach") mode. There is also a link to his description of the solving methods. |
| Location: | http://www.alpertron.com.ar/QUAD.HTM |
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| Directory: | Science / Math / Number_Theory / Factoring |
| Title: | Factorization Using the Elliptic Curve Method |
| Description: | Java applet that can be used to find 20- or 30-digit factors of numbers or numerical expressions up to 1000 digits long. It also computes the number and sum of divisors, the Euler's totient and moebius functions, and the decomposition of the number in a sum of up to four squares. |
| Location: | http://www.alpertron.com.ar/ECM.HTM |
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| Directory: | Science / Math / Number_Theory / Factoring / Tables |
| Title: | Brilliant Numbers |
| Description: | Tables of maximal and minimal numbers with two, three or four prime factors of the same length (in decimal notation). |
| Location: | http://www.alpertron.com.ar/BRILLIANT.HTM |
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| Directory: | Science / Math / Number_Theory / Factoring / Tables |
| Title: | Factors of Modified Fermat Numbers |
| Description: | Factors of numbers of the form 4^(3^n)+2^(3^n)+1 and 4^(3^n)-2^(3^n)+1. |
| Location: | http://www.alpertron.com.ar/MODFERM.HTM |
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| Directory: | Science / Math / Number_Theory / Factoring / Tables |
| Title: | Factors of Numbers near Googolplex |
| Description: | This table includes all known prime factors of the numbers in the range 10^(10^100) to 10^(10^100)+999, including more than 57000 prime factors of googolplex + 10. |
| Location: | http://www.alpertron.com.ar/googol.htm |
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| Directory: | Science / Math / Recreations |
| Title: | Table of Numbers Problem |
| Description: | Given a m * n rectangle, place all numbers from 1 to mn that minimizes the sum of the products of rows and columns (both in Spanish and English). |
| Location: | http://www.alpertron.com.ar/CUADRO.HTM |
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| Directory: | Science / Reference / Units_of_Measurement / Online_Calculators |
| Title: | Dario Alpern's Complex Number Calculator |
| Description: | Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature. |
| Location: | http://www.alpertron.com.ar/CALC.HTM |
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