DreamCalc Graphing Calculator
DreamCalc is the smarter alternative to a hand-held Graphing 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 list data more... 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/dc3g_setup.exe - 3Mb - Download - Screenshot

Math Mechanixs
Math Mechanixs is an easy to use general purpose FREE math software program. (FREE registration is required after 60 days). The typical tool for obtaining answers to a mathematical problem has been the calculator. Unfortunately, a calculator can be very limiting. ... Until the graphing calculator, the user could not graph their data either. ... These graphs can be custom labeled by the user. ... Math Mechanixs also allows the user to create beautiful 2D and 3D graphs from functions or data points.
http://www.mathmechanixs.com/download/mathmech10021.exe - 6Mb - Download - Screenshot

Advanced Grapher
Powerful but easy-to-use graphing, curve fitting and calculating software. Graphs Cartesian (Y(x) and X(y)), polar and parametric functions, graphs of tables, equations (implicit functions), inequalities and slope fields. Up to 100 graphs in one window. ... Calculus features: regression analysis, obtaining zeroes and extrema of functions, intersections, derivatives, equations of tangents and normals, numerical integration, value tables, calculator. ... The program has printing capabilities, multi-document interface, customizable toolbars.
http://www.alentum.net/files/agrapher.zip - 1Mb - 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... Because it is software, it allows you to exchange your results, graphs and lists with your other applications. ... 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...
http://www.dreamcalc.com/downloads/dc3p_setup.exe - 3Mb - Download - Screenshot

3D Grapher
3D Grapher is a feature-rich yet easy-to-use graph plotting and data visualization software suitable for students, engineers and everybody who needs to work with 2D and 3D graphs. 3D Grapher is small, fast, flexible, and reliable. It offers much of the functionality of heavyweight data analysis... Other program features include: 1) Built-in expression calculator 2) Mouse cursor coordinate tracking 3) Fully customizable user-friendly interface for highly efficient workflow 4) Ability to import and export data in several popular file formats 5) Ability to copy the graphs and paste them...
http://www.romanlab.com/3dg/3dg.zip - 836Kb - Download - Screenshot

J and L Financial Planner
The top rated J and L Financial Planner is a financial planning software program that allows you to create simple or complex financial scenarios based on financial events through out your life. It makes your financial planning easy. You create the scenario based on your current financial status... The program includes many financial calculators including a rule72 calculator. ... The output may also be presented with bar, line and pie graphs. ... The program can create a scenario based on mortgage, loan, withdrawal, deposit, and transfer events.
http://www.jlplanner.com/jlplanl/jlplanl.exe - 970Kb - Download - Screenshot

Kalkulator
The Mother of all Calculators, a Swiss Army knife for scientists and engineers. Perhaps the most capable scientific/engineering calculator for Windows. On one hand, this is a calculator: evaluates expressions with more than 100 functions (trig/inverse, log/exp, statisical distributions, Euler,... Kalkulator has been evolving on various OS platforms for the last 15 years, being refined and polished through all this time, and its author has more than 25 years of active experience in numerical methods and software development.
http://www.wrotniak.net/works/kalkulator/_zip/kalkulator-inst.exe - 956Kb - Download - Screenshot

J and L Retirement Planner
The top rated J and L Retirement Planner is a retirement planning software program that allows you to create simple or complex retirement scenarios based on financial events through out your life. It makes your retirement planning easy. You create the scenario based on your current financial... The program includes budgeting features and many financial calculators including a rule72 calculator. ... It also includes RMD distributions. ... The program can create a scenario based on mortgage, loan, withdrawal, deposit, and transfer events.
http://www.jlplanner.com/jlplanr/jlplanr.exe - 1Mb - Download - Screenshot

APSW Budget Planner V3 Pro
The Budget Planner V3 Pro is a step ahead for home and personal budgeting. Equipped with a comprehensive online learning system, the budget planner runs on auto pilot, you simply add the details and the software will run your budget for you to learn from or live by! ... All you need to enter is how often you want to put money aside and the Savings Calculator automatically adjusts your budget for you and re-adjusts when you reach your target date. ... Savings Calculator and Savings Target Date - Have a target date for your next holiday or purchase?
http://www.allpurposesoftware.com/downloads/BP3/setup.exe - 6Mb - Download - Screenshot

ESBStats - Statistical Analysis Software
Statistical Analysis and Inference Software for Windows covering everything from Average, Mode and Variance through to Hypothesis Analysis, Time Series and Linear Regression. Includes Online Help, Tutorials, Graphs, Summaries, Import/Export, Customisable Interface, Calculator, Live Spell Check,... - Inference and Hypothesis Analysis of Two Populations - including Difference of the Mean, Ratio of the Variance, Difference of Proportions. ... - Inference and Hypothesis Analysis of a Single Population - including the Mean, the Variance and Proportions.
http://www.esbconsult.com/esbstats.zip - 5Mb - Download - Screenshot