411 REFERENCE · Wikibooks
TI-Basic 84 Programming/Loops
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For
For, PRGM:CTL:4 is command used to perform a specific block of code a set number of times.
Syntax: For
For(variable,starting number,stopping number,increment)
//code
//code
End Variable is some numeric variable (Ex: X). Starting number is the variable will be set as in the beginning. Stopping number is the final number that the variable will be. Increment is the amount variable will go up or down after each run-through the loop; increment has a default of 1 and can be left off.
Ex: For
First Example
TEMP For(X,0,3,1)
Disp X
End 0
1
2
3
Second Example
TEMPA For(X,3,0,-1)
Disp X
End 3
2
1
0
While
While, PGRM:CTL:5 is a command used to have a loop run as long as a specific condition is met.
Syntax: While
While condition
//code
//code
End 3, A>B), or an expression (5+2X), which resolves to be either true (non-zero) or false (zero).
Ex: While
TEMP 3
Disp X
X+1->X
End 0
1
2
3
Test Conditions and Logical Operators Picture Variables