MST Workshop

MST Workshop is a graphical programming language that lets you create solutions using drag and drop components for more than 300 calculations. 
Solve problems, Build classroom demos, or Create iPad and iPhone apps in minutes. Your solutions can be saved and/or sent to students and friends.
From simple components that can Add, Subtract, Multiply, and Divide to logic components that And, Or, and Not. Graphics to draw in 2 and 3 dimensions. And the ability to solve complex problems like the intersection of lines and circles to the Simplex calculator and Matrix inversion. Interactive components enable you to build Apps that hide the source and expose just controls and graphics.
Create apps in MST Workshop then email the solution to anyone with an iPhone or iPad. They can download the free MST Player and past the solution you send them.