Math

• The matrix calculator can multiply, add and raise matrices to higher power.
• LU Decomposition tool (LR-Zerlegung _[de]) of an NxN matrix.
• System of linear equations solving tool - solves a system of linear equations of the form Ax = b
• There was a little three-language math dictionary on this site which has moved to mathdict.chitanka.info. It includes all six ordered pairs between English, German and Bulgarian.
• Arabic-Roman numerals converter - converts arabic to roman numerals and vice versa