Loan Calc
Loan Calc is an easy-to-use tool intended to calculate loans and mortgages repayments in a very simple way. Loan Calc calculates repayments amount, monthly and total interest, total repayments and generates a full repayment list from a start date. Loan Calc is currency-independent so it can be... Furthermore Loan Calc allows you to save all the repayment list to a text file or an Excel sheet. ... Loan Calc lets you select both period and interest compounding from continuous (compounding only), weekly, biweekly, monthly, quarterly, semiannually and annualy.
http://www.maxprog.com/shareware/LoanCalc_US_setup.exe - 971Kb - Download - Screenshot

A+ Calc
A+ Calc is a scientific calculator with a multi-line edit display that shows all calculations and allows editing and recalculating equations. A+ Calc includes hexadecimal, statistics, and unit conversion tools, and calculation save and load capability. ... A+ Calc unit conversion, A+ Converter is a stand alone tool that allows user-defined conversions. ... Extensive error messages with easy error recovery. ... View, edit and recalculate with new values and/or operators. ... Trial use only applies to premium features, most features are available free of charge.
http://www.wfwsoftware.com/apluscalc.msi - 1Mb - Download - Screenshot

Calc It Converter
Calc It Converter is a fully featured measurement converter.
http://www.bellsoft.net/windows/converter/1beConverter.exe - 827Kb - Download - Screenshot

Calc Pilot
Calc Pilot allows you to perform calculations inside a document. For example, you have an expression "2+3=". If you press a hotkey, then you'll see the result: 2+3=5. 00. You can perform calculations directly in your documents and business communications, without using any external application.
http://www.colorpilot.com/pad/calc.zip - 965Kb - Download - Screenshot

Calc 3D Pro
Calc 3D is a collection of mathematical tools for highschool and university. The calculator can do statistics, best fits, function plotting, integration. It handles vectors, matrices, complex numbers, coordinates, regular polygons and intersections. For objects ( like point, line, plane and... Carthesian plot, polar plot, parametric plot, best fit, fast fourier transformation, histogram, smooth,... ... Cartesian, spherical and cylindrical coordinates can be transformed into each other.
http://www.calc3d.com/zip/cldpen01.exe - 4Mb - Download - Screenshot

BeTrayed
BeTrayed! is a small 32 bit command line utility which allows you to easily add a collection of shortcuts to the System Tray (Notification Area in Microsoft speak) It allows you to quickly access frequently used folders, files, URLs and applications - even though they were never designed to be... If not specified, the tooptip defaults to the command line and the icon to the default icon contained in the file (or if there isn't one, the one for the associated application) For instance, to add a single icon to the System Tray to launch Calc, you could use: BeTrayed c:\windows\system32\calc.
http://www.johnnyfoster.com/Downloads/BeTrayed/BeTrayedBeta1.exe - 491Kb - Download

Calc 3D
Calc 3D calculates 3-dimensional vectors, matrices, complex numbers and quaternions. It's able to do the standard calculations: Addition, subtraction, spatproduct, skalarproduct, unit vector, multiplication of two vektors or matrices, length of a vector, crossprodukt (vectorproduct), angle... You can choose them in the programm. ... The programm is in five languages (german, english, spanish, italian, portugese) available. ... Cartesian coordinates, spherical coordinates und cylindrical coordinates can be transformed into each other.
http://www.greuer.de/Calc3D08.zip - 400Kb - Download - Screenshot

CNG
CNG-CALC is an economic analysis system for alternate fuel vehicles.   Compare the cost of any alternate fuel scenario, for any type of vehicle.   It can be used to produce financial comparisons of the cost to convert vehicles (of any type) to use Compressed Natural Gas (CNG), Methanol, Ethanol,...   CNG-CALC also includes a storage tank sizing module, that accesses manufacturer storage data, based on dimensions, weight guidelines and minimum equivalent gallons desired. ...   CNG-CALC evaluates Net Present Value (NPV) of the investment versus the Internal Rate of Return (IRR).
http://www.bbsys.com/cngdemo.exe - 7Mb - Download - Screenshot

Triangulator_for_PC
This little program makes it really easy to do trigonometric calculations. Just enter any combination of three parameters (sides, angles or height) and hit the calc button. . Supports radians, decimal degrees, degrees & decimal minutes or degrees, minutes and seconds.
http://home.imaginet.co.za/wildsoft/downloads/Triangulator_for_PC.zip - 208Kb - Download - Screenshot

Diet Calc Free
Calculate for free your Zone Diet menu in minutes with access to the best Zone Diet channels, selected and reviewed specifically for the Zone Diet user. Find full list of recipes, supplemental resources and suppliers of Zone Diet meals delivered at your home daily. ... All this comes free with no charge and additionally you will get a secure browser with popup blocker and security cleanup measures specifically designed and customized.
http://zonedietsoftware.massamagra.com/download/dietcalcfree_setup.exe - 2Mb - Download - Screenshot