I am an independent programmer who wrote the program LogicExpression. Program LogicExpression (LE) calculates and analyzes the logical (Boolean) expression. Supports logical operators: negation, conjunction, disjunction, exclusive disjunction, implication and equivalence. Supports work with: up to 100 (one hundred) members of expression, up to 26 (twenty six) variables and n levels of parenthesis. Serves as a useful tool for developers when calculating and analyzing logical expressions. The program is freeware.