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This is an analytic solution to polynomial equations of degree upto four, which coefficients are real. Roots for the equation can be complex numbers.免 …

This is an analytic solution to polynomial equations of degree less than five, which coefficients are real numbers. The roots of the equation can be c …

This is a complete solution to triangles of 3 given variables which can be length or angle. This app is applying sine, cosine and heron's formula …