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From Vicinno Soft:
Vicinno 15C scientific calculator is the most accurate and precise emulator of the world-renowned HP 15C RPN high-end scientific programmable calculator available for Mac. We use the identical mathematics and calculations with the original to give you reliable, bug-free, precision and accuracy. It can perform numerical integration and solve the roots of equations in addition to supporting complex numbers and matrix calculations.Features include: Root finder Numeric integration Complex numbers Matrix operations Hyperbolic and inverse hyperbolic trig functions Probability (combinations and permutations) Factorial, % change, and absolute value Random number generator RPN entry Programmable MoreSupport:Feel free to contact us if you need any support by visiting www.vicinno.com or simply email us at email@example.com.