Why not add the power of QuickMath to your own site and allow your visitors to submit questions directly to the QuickMath engine. The inequalities section of QuickMath allows you to solve virtually any inequality or system of inequalities in a single variable. In most cases, you can find exact solutions. Even when this is not possible, QuickMath may be able to give you approximate solutions to almost any level of accuracy you require. In addition, you can plot the regions satisfied by one or more inequalities in two variables, seeing clearly where the intersections of those regions occur.
Inequalities consist of two or more algebraic expressions joined by inequality symbols.
The Solve command can be used to solve either a single inequality for a single unknown from the basic solve page or to simultaneously solve a system of many inequalities in a single unknown from the advanced solve page . In other words, QuickMath will try to find solutions satisfying both inequalities at once. The Plot command, from the Graphs section, will plot any inequality involving two variables. In order to plot the region satisifed by a single inequality involving x and y, go to the basic inequality plotting page , where you can enter the inequality and specify the upper and lower limits on x and y that you want the graph to be plotted for. The advanced inequality plotting page allows you to plot up to 8 regions on the one graph.