Directions for VigenereCipherBreaker: There are no checks on the inputs so it is very easy to crash the program.

The I(xi) under word length guess gives I(xi) of the series given in the series box.

The I(xi) under key word guess give I(xi) based on the shift and in the series from the series box.

The Graph button gives the bar graph of the series indicated and calculates I(xi), under word length.

The Decrypt button decrypts based on the key word and gives I(xi) for the shift on the given series.