Walter Kissach

EasyRatio is a quick reference guide to ratio and simple proportion. You go step by step through example questions, or go straight to a particular ste …

Percentage Change is a quick reference guide to percentage increase and decrease. Examples highlight and simplify algebra that students find hard. Cry …

ALinInequal Linear Inequalities combines interactive Coaching Calculators and Guides to help students master the solving of linear inequalities.Coachi …

mathflair is a powerful learning aid to help students master fractions, signed numbers, equations, factorizing, radicals, simultaneous equations, rati …

ARadicalSimp helps students master the simplification of radicals.Interactive Coaching Calculators and Guides include :simplifying square roots by :- …

AQuadForm Quadratic Formula is a combined interactive Coaching Calculator and Guide that helps students master the solving of quadratic equations by t …

ANumberSign Signed Number is a combined interactive Coaching Calculator and Guide that helps students master multiplication, division, addition and su …

Simultaneous Equations combines interactive Coaching Calculators and Guides to take you step-by-step through the solving of a pair of simultaneous lin …

QuadCoach Factor it Solve it is a powerful learning aid to help students master the factoring of quadratic expressions, solving of quadratic equations …

ACoachCalc Fraction Calculator helps students master fraction basics and solving of simple linear equations.Interactive Coaching Calculators and Guide …