Does anyone know any codes or where to find them for my Ti-83?

Question

I need written codes if any

Answer 1

You could start on Texas Instrument's website,

Ti-83p Guide Book
http://education.ti.com/educationportal/sites/US/productDetail/us_ti83p.html?bid=6


And, here are some additional references,

TI-83 Graphing Calculator, Selected Instructions
http://www.stetson.edu/~mhale/teach/ti83.htm

Using the Ti-83/84 Graphing Calculator
http://www.prenhall.com/divisions/esm/app/graphing/ti83/

TI-83 Graphing Calculator Manual for Moore and McCabe's Introduction to the Practice of Statistics
http://www.wku.edu/~david.neal/ips/index.html