CR80E - Scientific calculator for Windows. 123 functionalities. - Date, normal and binomial distribution calculations. - Mean and ratio confidence interval estimation. - Determinant, combinatory, lcm, gcm. - Factorials, logarithms and exponentials. - Fractions and root fractions output - Trigonometric, hyperbolic and their reciprocal functions. - Primality test, rectangular-polar conversion. - Scientific Constants - 25 user's variables... - User's Manual