Alex Fihman

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Author Products

Total 3 products

BigFloat.pas v.0.02

Components > Science > Expressions

By Alex Fihman.

Freeware 30 Nov 2004


Calculations with float numbers of unlimited precision. This is alpha version, availiable under GPL licence. Addtion, Division, Multiplication, sqrt, Ln, Exp, sin, cos, tan, arcsin, arccos, arctan and factorial are implemented.

Change Log:

  • version 0.02:
    • Read/write variable to XML
  • version 0.01:
    • improved precision of bfVal for extended values,
    • Faster PI calculation - based on pi=176*arctan(1/57) + 28*arctan(1/239) - 48*arctan(1/682) + 96*arctan(1/12943)
    • faster bfLn
    • on-spot constants re-calculation
    • thanx to: Sasa Zeman (
  • version 0.0: first version available...


  • Status: Fully functional
  • Source: Included
  • Size: 16kB

Platforms: D5, D7

Marsaglia Random Numbers v.0.01

Code Samples > Samples > Science

By Alex Fihman, George Marsaglia.

Freeware + source 27 Jun 2007


Well-known Prof. Marsaglia's random number generators, translated to Delphi unit. Original sources included.


  • Status: Fully functional
  • Source: Included
  • Size: 4kB

Platforms: C2k6, C2k7, CB1, CB3, CB4, CB5, CB6, D1, D2, D2005, D2006, D2007, D3, D4, D5, D6, D7

Oracle Heavy SQL Monitor

Database Tools > Oracle > Other

By Alex Fihman.

Freeware + source 25 Jun 2004


Simple tool allows monitoring Oracle 8 and 9 DB, finding problematic sessions and queries.


  • Status: Fully functional
  • Source: Included
  • Exe demo: included
  • Size: 600kB

Platforms: W2K, XP,