Interactive multilingual mathematics software for training problem-solving skills offers 11667 algebraic inequalities, a variety of appropriate techniques to solve problems and a unique system of performance analysis with methodical feedback. Included are linear, quadratic, biquadratic, reciprocal, cubic and complex fractional algebraic inequalities. The software allows students at all skill levels to practice at their own pace, learn from both errors and solutions, Überprüfung their work and get optimal exercises for building missing math knowledge and skills. A translation option offers a way to learn math lexicon in a foreign Sprache. Test preparation options facilitate development of printable math tests and automate preparation of 3 test variants around each constructed test. Dozens of tests are ready for learners to Überprüfung and reinforce their math skills. The software supports bilingual interface and a number of interface styles. Free fully functional trial software version is available