
Hayti High
Hayti, MO 


Go Indians!

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TI 83/84 Instructions
2nd function 
+ /memory 
7 /reset 
enter 
All ram 
enter 
2 reset 
enter 
Exponents, Powers, Radical Roots 

x 
^
use shift 6 
( write the exponent )
complicated or fractional exponents need to be in parenthesis. 



Mixed and improper Fractions 

Alpha/ third function 
Y= 
choose fraction template you need 
Graphing Equations
(Equations must be in y = form)
To change graph settings go to
2 zoom in, 3 zoom out, 6 standard window size 

Y=

Type equation completely 
Graph 
Table of Values

2nd function 
Graph 
Graphing Inequalities
(Equations must be in y < or > form)
To change graph settings go to
2 zoom in, 3 zoom out, 6 standard window size 

Y=

Greater and less than are small triangles on left of y= screen just toggle them then
Type equation completely 
Graph 
Table of Values

2nd function 
Graph 
Algebra Solver
Equation must be = 0 !
( If there is more than one real root, you will get the one closest
to your guess. To find other roots make a different guess.) 

Math

0/solver 
write the equation
equal to zero 
Enter 
Make good guess
I always guess 2 to start.

Alpha/third function 
enter/Solve 
2nd

X1 
Edit 
Matrix letter 
Rows X Columns
enter

Matrix elements 
enter 
2nd 
x1 
Adding Matrix
To add two matrix. Put one in A and one in B then


2nd 
X1 
A 
enter 
+ 
2nd 
X1 
B 
enter 
Multipling Matrix (if possible)
To multiply two matrix. Put one in A and one in B then


2nd 
X1 
A 
enter 
* 
2nd 
X1 
B 
enter 
Multipling Matrix times a Scaler
To multiply a matrix by a number Put matrix in A then


2nd

X1 
A 
enter 
* 
Scaler number 
Matrix Determent
Put matrix in A then


2nd

x1 
math 
det 
2nd 
x1 
Pick matrix letter 
enter 
Close ) 
enter 
enter 
Matrix Inverse (if possible)
Put matrix in a letter then


2nd 
X1 
A 
enter 
X1 
enter 
Solving system of equations using Matrix with reduced row echelon form (RREF).
Put matrix in a letter then


2nd 
x1 
math 
b. rref 
2nd 
x1 
Pick letter 
Close ) 
enter 
enter 
enter 
