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We support graph generation, intercepts, asymptotes, domains, ranges, and more! diese App provides step-by-step solutions to your problems completely free of charge.  We support product rule, quotient rule, chain rule, u-substitution, integration by parts, integration by partial fraction, trigonometric substitution, rationalizing substitution, and much more.  We support equation solving, factoring, logarithms, exponents, complex numbers, quadratic equations, trigonometry, partial fraction decomposition, polynomial division, etc.  With diese App Plus, you can see how a step is done and why a step is taken on most problems and on a variety of topics.  Just enter your math problem, and let diese App solve it for you step-by-step!  We cover a wide variety of topics in algebra, calculus, and graphing.  For additional help, you can join diese App Plus for $4. 99 USD per month.  You can also use the camera to capture a problem without typing.  You can also enjoy diese App ad-free. - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. - Account will be charged for renewal within 24 hours prior to the end of the current period, at $4. 99 USD.