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This is a multi-function calculator made by a middle school student.

Pythagorean theorem:
Calculate value for c based on user inputs.

Plug in values for a b and c, the computer will automatically calculate two zeros. The log will display the calculation process.

Trigonometric basic:
Input minimum of two values and choose calculation target(angle x or y). The computer will automatically choose sine, cosine or tangent and calculate the angle measurement in degrees. Log will display the calculation process including the radian measurement for the angle. Attention: *This only works with a right triangle*

Trigonometry advanced.
Input all three side measurement. The computer will use the law of cosine and sine to calculate the angle measurement for all three angles. Log will display the calculation process including the radian measurements. Attention: *Three side measurement are required*

For more information including how to do all of the math behind the scene please visit

I created this iOS and OS X software development in the spirit of non-profit software development. All the income that I make will be used for educational purposes, including donating to education foundations, schools and more. Thank you for your support.

Director: Yongyang Nie
Programmer: Yongyang Nie
Math support: Daniel Bensen, Blake Wilson

You are allowed to use this product only within the laws of your country/region. SharewareOnSale and its staff are not responsible for any illegal activity. We did not develop this product; if you have an issue with this product, contact the developer. This product is offered "as is" without express or implied or any other type of warranty. The description of this product on this page is not a recommendation, endorsement, or review; it is a marketing description, written by the developer. The quality and performance of this product is without guarantee. Download or use at your own risk. If you don't feel comfortable with this product, then don't download it.

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