In the Inputline you can check and correct your forlmula

HP15C is a simple emulation of the legendary HP 15 C Calculator on the Desktop. With UPN-Logic calculations are faster than the conventional way with the equals sign. It is possible to operate the calculator with the mouse and the numerical keypad. It can be moved free on the desktop.The complex operations and the matrix operations are not yet implemented. Also it is not possible to program the calculator .

Want a quick, good-looking, easy-to-install health calculator for your web site? Look no further! The Quick Health Calculator is a free program for your web site that measures the BMI (Body Mass Index) of a visitor as well as risk for weight-related illnesses. The Calculator is sleek, and very easy to adjust to the look and feel of your web site. The calculator is validated in both JavaScript and PHP to insure easy of use for visitors.

Loan calculator is a completely free & user-friendly amortization software. This is an essential tool to estimate loan payments on homes, cars and refinances. Just type loan amount, loan length, annual interest rate and program will generate full loan repayment plan. Loan calculator supports regional currency settings and works with wide range of repayment cycles from 1 month to 50 years.

This free real estate calculator for Windows helps you determine whether purchasing a home or renting is your best option. Free Rent or Buy Calculator is a real estate calculator designed for Windows 95, 98, ME, NT, 2000, and XP systems.

Numero is a calculator program that does the order of operations, so you can type in the whole expression at once instead of just one number at a time. It has about everything that you would expect to see on a scientific calculator. Also, in addition to the text box that you enter the expression into, Numero has a text box that displays all of the expressions and answers that you have already calculated. The interface is also customizable.

Finance Helper 2001 - This program contains the following financial functions: a calculator with loan-comparison capability for various interest rates and term length. Another calculator for determining affordability for mortgage or auto loans, and an actuarial calculator as well as a regular calculator. Finally, there is a budget function to plan out your monthly and yearly budget.

JD Free Calculator is a complete replacment to the standard windows calculator. Not only does it perform all the functions of the windows calculator it also offers: Complete printable tape A basic loan calculator with comparisons A basic savings forcaster And all this for the low price of NOTHING.

Morello Matrix Calculator is a simple, pocket calculator style program which performs most standard matrix calculations. It supports matrices up to 20 elements square (shareware version is limited to 2 elements square). It also allows data to be exchanged with most common spreadsheets and other programs via the clipboard or text files

Calculator.NET is an enhanced version of the standard calculator in Microsoft Windows. It uses RPN (Reverse Polish Notation), which is used by many pocket calculators, e.g. from HP. If you have used a HP 11/28/32/42/48, or any other RPN calculator, you will feel right at home. Some of the enhancements included: RPN, extended function set, and customizable user interface. This program is completely free.

Good-looking calculating JSP-page from Excel.
Separate JavaBean with full source. 165 Excel-functions supported. No Excel needed on server. Both Windows and *nix supported. Easy to do backend-integration.

No programming, let the domain expert create the code. Easy updating: fix spreadsheet and generate again. Use it for expense reports, surveys, order forms, financial advisor, ROI-calculator, engineering.

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QuickCalc is a powerful, tiny calculator application which calculates as you type! Extremely tiny and simple to use yet with advanced Excel-like functions. Installs no messy DLLs or spyware, doesn't require VB, Java runtime libraries and contains anti-virus mechanisms to prevent trojan infection (which makes it safe to share). QuickCalc makes a perfect Windows calculator replacement.