zip and area codes, acronyms, unit converter.
License: Shareware
OS Support:

Maximize overall profit by optimizing resource use, for products or services.
License: Shareware
OS Support:

Easily converts several units of length, weight and capacity measures.
License: Freeware
OS Support:

Add, Subtract, Divide and Multiply fractions Convert decimals/fractions.
License: Shareware
OS Support:

Calculate the percentage of any number out of any numberGreat little tool.
License: Freeware
OS Support:

Free compact scientific tape calculator with many features: asin(2 13^ln(pi)).
License: Freeware
OS Support: Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003,

Convert an amount from a currency to any other currency.
License: Freeware
OS Support: Win98,WinME,Windows2000,WinXP,Windows2003,

Numero is a calculator with some nice features.
License: Freeware
OS Support: WinXP,

Geozip calculates distance between US zip codes or geographical coordinates.
License: Shareware
OS Support: Win95,Win98,WinME,WinNT 4.x,Windows2000,WinXP,

The self cert mortgage calculator will allow you to run multiple sets of numbers.
License: Freeware
OS Support: Win 3.1x,Win95,Win98,WinME,WinNT 3.x,WinNT 4.x,Windows2000,WinXP,Windows2003,