Create a program with the following in it, and then execute it with Asm(prgm[name of program]: TI-83 Plus Series: AsmPrgm:3E7FD306CD5044 OR TI-84 Plus Series: AsmPrgm:3E7FD306CD2845 You can get your boot code version from [MODE], [ALPHA], [S]. TI-83 Plus Boot Code 1.00: AsmPrgm:3E1FD306CD5044 TI-83 Plus Boot Code 1.01: AsmPrgm:3E1FD306CD5044 TI-83 Plus Silver Edition Boot Code 1.00: AsmPrgm:3E7FD306CD5044 TI-83 Plus Silver Edition Boot Code 1.01 (Untested, because I'm not sure this actually exists): AsmPrgm:3E7FD306CD5044 TI-84 Plus Boot Code 1.00: AsmPrgm:3E3FD306CD2845 TI-84 Plus Boot Code 1.02: AsmPrgm:3E3FD306CD2845 TI-84 Plus Silver Edition Boot Code 1.00: AsmPrgm:3E7FD306CD2845 TI-84 Plus Silver Edition Boot Code 1.02: AsmPrgm:3E7FD306CD2845 Have fun invalidating your friends' OSes.