- FRACTION XPRESS
- Simple fractions
- (9-12 years, 100 hours of activity)
The program combines the
interactive simulations of Live Fractions with the method of XPress.
The subjects:Fraction Basics: definitions of proper and improper fractions, mixed numerals,
equivalence of fractions, decimal fractions, factoring and canceling of fractions
Operations on proper fractions: common denominator, comparison of proper fractions,
addition, subtraction, multiplication and division, fractions in equations
Mixed and decimal fractions: basic operations
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- POLYNOME-XPRESS
- Algebraic expressions
- (13-15 years, 100 hours of activity)
The subjects:Reduction of similar terms
Multiplication of monomials
Rules of factoring
Division of a polynomial by a monomial
Product Formulas
Square of sum or difference of terms
Cubic power of sum of two terms
Difference of squares
The Common Factor
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- QUADRO-XPRESS
- Quadratic equations
- (14-15 years, 100 hours of activity)
The subjects:Square equations: definitions
Partial square equation
Complete square equation
Unassigned square equation
Basic systems of square equations
Special equations
Irrational equations
Square equations with parameters
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- Algebraic
Fractions
(XPress)
- Algebraic fractions
- (13-15 years, 80 hours of activity)
The subjects:Lowest common denominator
Least common multiplicator
Range of definition of fractions
Raising and Reducing
Multiplication of fractions
Addition and Subtraction of fractions
Addition of a number of fractions
Division of fractions
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- EQUATION XPRESS
- Simple equations
- (13-15 years, 100 hours of activity)
The subjects:Elementary equations, equivalence of equations
Equations with decimal coefficients, equations with parameters
Basic methods of solution
Higher order equations, reduced to linear Equations
Equations with algebraic fractions: unknown in numerator, in denominator or in
both
Systems of two or three equations, number of solutions, systems with
parameters.
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- BASIC XPRESS
- Formula Editor + 9 Chain Calculators
- (9-90 years, unlimited time of activity)
Students: Prepare
your home work in Math, Check its correctness and Print it out from any word
processor. Explore action of any other relevant operation (evaluate or calculate
expression, solve equation, see a detailed solution of the exercise in a chain of stages,
etc).
Teachers: Prepare tests, exams or pages for
homework, evaluate intermediate results and check the answers.
The features:
- Formula, expression and equation editor
- WYSIWYG, easy graphical input
- Copy and Past into any Win95/98 - text editor
- 9 unique integrated Chain Calculators (Basic Arithmetic, Simple Fractions, Algebraic
Fractions, Basic Algebra, Quadratic and Linear Equations, Systems of
equations, Trigonometry, Calculus)
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