From 99CentsAppStore: 

With QuickPlotPro for Android you can choose from the built in functions or enter any expression and it will be evaluated. This is a cool scientific calculator for students and engineering professionals. If the expression contains 'x' it will also be plotted.


http://software-files-l.cnet.com/s/software/11/65/34/59/home-mortgage-calculator.zip?e=1296024504&h=d83d41a0d2e0f869f20dd5b1cbb64e4c&lop=link&ptype=1901&ontid=20417&siteId=4&edId=3&spi=5cd9fa051aae2543775840562cf05dfc&pid=11653459&psid=75326943&fileName=home-mortgage-calculator.zip


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