casio_dna_to_rna_converter 
converts parts of DNA to m-RNA and t-RNA
Installation
Connect Casio fx-9860 GIII or GII to your Computer with the help of the USB cable.
Press [F1]
Open the file manager of your operating system and insert the DNA.G1A file into
the shown device (usually D:).
Eject device (usually D:). More info on calculator display.
Press [EXE] as shown on the screen.
Press [EXIT] as shown on the screen.
Press [MENU] as shown on the screen.
Use
to modify the first DNA strand use
[DEL] to delete a character
[4] for A Adenin
[1] for T Thymin/ U Uracil
[6] for G Guanin
[3] for C Cytosin
[LEFT] go one to the left
[RIGHT] go one to the right
[UP] go one strand up
[DOWN] go one strand down
