*English language for all levels - Foundation for primary grades (letters, letter sounds, letter combinations). - Reading in a short period and knowing how to combine letters. - English grammar (tenses, pronouns and auxiliary verbs, comparison and superlative, demonstrative and interrogative pronouns, indefinite articles a, an, prepositions in, on) Improving writing by including suitable text for copying. - Foundation for elementary students in understanding {numbers and their places, decimal and ordinary fractions, mental multiplication, addition and subtraction, divisors and multiples} - Intermediate {functions, graphing, range and domain, variables and solving sentences and arithmetic operations, solving powers and exponents, systems of linear equations, polynomials}.