Quadratic formula program on calculator

Complete waste of time. Wtf did i do wrong. This program works for me, although the positive and negitive signs are often mixed up.

Anyway to fix this? Thanks so much! By Maker Follow. More by the author:. About: I like to tinker around with old electronics and see what I can make them do, other than the usual puff of smoke.

Did you make this project? Share it with us! I Made It! Now that we have the x values calculated and stored, we just need to display them. Press prgm to access the program list and select your newly created program. Keep in mind that the program will display an error message if there are no solutions or they are imaginary. Good question! We use cookies to make wikiHow great.

By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article parts. Tips and Warnings. Related Articles. Author Info Last Updated: September 16, Part 1. Turn your calculator on and go to the "PRGM" on the menu screen. You can also push "9". A small arrow should pop up and you will be on a new line. Type the following: "A"? This will actually take you to "PRGM".

Push "F4" under "? Push Enter. Repeat the previous step, except use "B" and "C". Write the If statement. No real roots. Imaginary roots:" Enter.

Type the exit message: "" Recommended length: 17 Enter "Hit enter to exit. Continue writing. Make sure to use the "Else" from the "COM" section mentioned earlier. Finish it off: "" Enter "Hit enter to exit. Part 2.