Pythagorean Calc. is a fundamental calculator that uses the Pythagoras theorem to calculate the sides and area of a right angled triangle. The program is available for iPhone and developed by Prajith R.

With Pythagorean Calc., you can input two side values of the triangle and it will calculate the rest of the side value and area of the triangle for you. Additionally, it provides the theory of Pythagoras for both right angle triangle sides and area. This makes it a useful tool for anyone dealing with right angled triangles, such as students, teachers, and engineers. The program is available in full version and falls under the Utilities & Tools category.

Overall, Pythagorean Calc. is a simple and straightforward program that delivers its function effectively.