# Poisson Distribution - Form

The Poisson Distribution Form outputs Poisson Distributions with the Probability of Occurrence, Cumulative Probability Equal and Above, Cumulative Probability Equal and Below, for each number of occurrences, X.

Ranges where the probability of occurrence is less than 1/10,000,000,000 are skipped, with a gap shown in the range with the "\" symbol.

### Menu

**File**provides the ability__Save__or Print the output, or return to the__Main Form__.**Edit**allows__Editing Output Text__by cutting, copying, pasting, and undoing entry.**View**provides the ability to enlarge/reduce the Form size for easier viewing.**Help**provides access to this Website.

### Speed Buttons

These buttons provide quick access to the following tasks.

- Returns to last Form or the
__Main Form__. -
__Saves__the output to a file. - Prints the Text.
- Copies Selection to the clipboard.
- Pastes Text from the clipboard
- Increases the Font.
- Decreases the Font.
- Brings up the
__Main Form__. - Brings up the Help file.
- Hides the form.

### Lambda

Enter Lambda, the mean number of occurrences, here.

### Decimal Place Change

Changes the number of decimal places, from 0 to 9. Change may be made by selecting and typing in the number, or by using the incrementing buttons.

### Action Button

Performs calculations and displays output.

### Output Text

The calculation output is displayed here when is clicked. You may save, print, edit, cut, copy, and paste text in this area.