Analog computers are systems that perform computations by manipulating physical quantities such as electrical current, that ...

Sankhyā: The Indian Journal of Statistics, Series A (1961-2002), Vol. 34, No. 4 (Dec., 1972), pp. 387-392 (6 pages) For the matritx equation AXB = C, we obtain the general solution X of a ...

Simultaneous equations are two linear equations that can be solved using bar models. By remembering that the same letter will always have the same value we can work out the missing values. To solve ...

Solving linear programming problems in a spreadsheet yields equations for maximizing business profits. As applied to business, linear programming typically involves an objective formula, such as unit ...

Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...