AllerCalc

AllerCalc (formerly known as VersaCalc) is an expression calculator which allows you to directly enter an expression to be evaluated. This versatile calculator features:

Key Features:

	A re-sizable rolling display storing all of your inputs and results.
	More than one hundred functions, including algebraic, transcendental, trigonometric, hyperbolic, engineering, statistical, and financial functions.
	Numerical integration, differentiation, and root-finding.
	Calculations not only in decimal but also in binary, octal, hexadecimal, and other numeric bases.
	A comprehensive unit converter that can convert between virtually any two units in metric, English, and US systems.
	A list of common physical constants found in science and engineering.
	User-defined constants, conversions and functions.
	Storing results in an unlimited number of variables.

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Making a donation for AllerCalc

Three years ago, AllerCalc was written in large part to meet the educational needs of high school & college students. The program was provided for free as we believe that students should not have to pay for any more than their already heavy tuition. Over the years, the program has evolved into a comprehensive, sophisticated mathematical tool that many find extremely useful, for professionals as well as businesses. Many have requested that additional features be added to the program, and many of these feature requests have been incorporated into the software, as time and programming resources permitted. Over the years, hundreds, if not thousands, of programming hours has been put into the development of AllerCalc and its maintenance. As you can see, we also have to maintain other programs as well and the maintenance and continual improvement of AllerCalc is taking a substantial part of our programming resources. If you feel that AllerCalc is making a significant contribution to the accomplishment of your daily tasks, please make a small donation to help us partly offset the development costs, or simply to show your appreciation of our programming efforts. Any amount (between one & fifty U.S. dollars) can be donated. Please click here to make a donation.

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