What you get: Calculator for your computer with common mathematical equations and formulas built-in.

What you pay: Free

What we like: WiseCalc is completely free and was designed to be a simple to use desktop calculator that can help you solve virtually any math problem you have.

Need help crunching those numbers? WiseCalc is a complete multifunctional calculator with hundreds of built-in unit conversions. You can use the pre-populated functions to solve a wide variety of equations. If you want, you can even create your own functions and constants that can then be saved for future use. Unlike a standard calculator, WiseCalc makes it easy for you to print and save all calculation pages.
Though technical support can only be obtained via e-mail or message boards, WiseCalc is dynamic, all-inclusive and was designed to be a simple to use calculator with straightforward functionality.

Other features:

• Evaluation of complex in-line mathematical expressions.
• Ability to perform mathematical operations of various lines.
• Evaluation of the inverse, prime factors and decimal to fraction.
• Standard, engineering, scientific and financial modes.
• Tape mode which allows for reference of a previous line when performing mathematical operations.
• Trigonometric functions built in with radian and degree modes.
• Ability to calculate and work with imaginary numbers in rectangular, polar or rectangular sum modes.
• Ability to change the number of significant figures used for display.
• Several mathematical operations supported.

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