CPU
CPU is a Cost Per Unit calculator to assist in deciding what product and packet size is the best value for money. The window stays on top and there are two independent calculations shown to make comparing prices easier. It is written in Assembly Language for maximum efficency.
http://www.sinnercomputing.com/prog/cpu.zip - 15Kb - Download - Screenshot

Americalculator
This calculator has bigger and better features than the Windows calculator: It has a scrollable tape and allows you to save calculations as a text file or send to printer. Optional large screen display is very easy to read. For multiple calculations, open several Americalculators and column... You can even select up to 128 different synthesized sounds when typing -- it is very simple and easy to use. ... Languages: English, Spanish, and Portuguese. ... NEW FEATURE: "Undo" function -- press Ctrl+Z to undo the last operation.
http://www.sansoftware.net/americalculator/americalculator.exe - 370Kb - Download - Screenshot

Switch Window
Operating systems have come a long way from primitive file management tools to sophisticated home and office computing environments featuring a multitude of tools intended to ease up our life. Most of us have got used to the fact that each and every action within the operating system can be... However, most of us have faced a situation when we need to keep dozens of windows open - interrelated documents, calculator, e-mail client, several web browser windows - all mess up the Taskbar space resulting in poor computing experience and growing frustration.
http://www.desktopboosters.com/download/common/SwitchWindowSetup.exe - 708Kb - Download - Screenshot

DeskBar
DeskBar provides a visual and quick interface to access functionality that is commonly used in Windows. Shutdown, restart, logoff, changing video resolution and colors, changing the default printer, adding a printer, accessing Internet options, launching a web browser, launching the CD player... Calculator: Opens the Windows calculator. ... Lock Desktop: Locks the Windows desktop until you enter your password. ... Windows Explorer: Start a new Explorer window with a single click. ... Run Application: Runs any application or opens a file without using the Start Menu.
http://barefoot.swmirror.com/deskbar.exe - 703Kb - Download - Screenshot

Midget
A tiny, but very capable numerical calculator for Windows. It differs from others in the way you calculate your expressions: enter the whole expression at a time, like "2+3. 9/7. 1-3 sqr 5", and only then hit Enter to compute the value. The expression stays displayed so that you can correct or... If you are still using the crummy calculator applet included with Windows, it is time to try Midget. ... The status of calculations is saved to disk so that next time you run the program, you start at the point you left.
http://www.wrotniak.net/works/midget/_zip/midget-inst.exe - 480Kb - Download - Screenshot

DreamCalc Financial Calculator (Pro)
DreamCalc Professional is the smarter alternative to a hand-held Financial Calculator for your PC or laptop! You'll get the intuitive feel and productivity of using a professional hand-held, but one which adapts to your way of working. With DreamCalc, you'll be able to graph functions and plot... Select from Reverse Polish Notation or two styles of algebraic input, and with the optional ability to run in your Windows system tray--DreamCalc will always be there whenever you need to reach for a calculator.
http://www.dreamcalc.com/downloads/dc3p_setup.exe - 3Mb - Download - Screenshot

Basic Advantage Combo
Advantage? is a Unit Aware? calculator that lets you work with feet-inch-fraction dimensional values. Unit Aware? means that you can effortlessly compute with units (not just convert). Advantage also includes options to make the calculator work the way you want it to such as: algebraic and RPN... Our calculators have a clean interface that's easy to read and easy to use and are available for both Windows and Windows Mobile? ... For example, to enter 4' 3-21/32", you would press [4] [. ... , 70 lb/ft3 x 5 yd3 = 9450 lb) KEYPADS AND ENTRY LOGIC - Algebraic and RPN entry modes (user...
http://www.advantagecalculators.co...load/BasicAdvantageComboSetup.msi - 1Mb - Download - Screenshot

RORICX - Rate of Return Calculator
Calculates the Rate of Return and Net Gain for your portfolio (investment, real estate, rental, etc. ) Any time intervals, positive/negative RoR, regular contribution programs, individual transactions, combined (overall) portfolios, verification window for line-by-line review, graph, report,...
http://members.shaw.ca/lapides/downloads/roricx_download.exe - 605Kb - Download - Screenshot

Invoice101 - PC
Invoice 101 is a full featured small business invoice program designed for fast data entry and ease of use. The simple tab navigation, single window interface and condensed toolbars keep important features always at your fingertips. Internal relational databases track clients, customers,... Advanced features include multiple business sets, auto enter preferences, multiple currencies, 2 or 3 decimal point precision, sequential invoice numbering, customizable tax fields, customizable invoice header & footer, labor timer, labor calculator, parts markup calculator, integrated scanned document...
http://programs101.com/software/inv101.exe - 9Mb - Download - Screenshot

Universal Heart Rate Calculator
This small program calculates your heartbeat using classic formulas. All information is based on your age, pulse and blood pressure. You also get a golden standard for your workouts. Also runs as Windows-console application on any Windows-based PC. Target heart rate & Resting heart rate it's a...
http://www.zabiyako.com/software/uhr10.zip - 5Kb - Download - Screenshot