Formula Calculator enables you to evaluate simple or complex arithmetic expressions with ease. Unlike the traditional "pocket calculator" application, Formula Calculator allows you to type your complete arithmetical expression, which it then evaluates. You view all the numbers and mathematical operations at once, making it easy to spot mistakes.

In Formula Calculator you separate your complex mathematical expressions into simple components that you type on each line. You assign a name to the result of each evaluation, as you would when doing algebra. You can then use that name in subsequent mathematical expressions. As you type each line, Formula Calculator shows all the results. Drag the divider line down to increase the size of the results field and drag the bottom of the window to increase the size of the math input field.

You can open as many calculation workspaces as you like. These are shown as icons in the list on the left. Tap an icon to show the workspace or double-tap the icon to hide it.

Formula Calculator has a large number of built-in functions as you would find on a scientific calculator as well as functions for numerical integration and differentiation. Formula Calculator allows complex numbers and will perform complex calculations.

Formula Calculator has bulit-in themes to tailor its appearance. You can find these by presing the *Themes* icon.

View available functions and constants, by displaying the keyboard and pressing the *Functions* or *Constants* buttons. Selecting a function or constant name shows a description of it.

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