fx-82MS      fx-82TL      fx-9860GII      TI-83

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Texas Instruments TI-83 manual

ON	Turn on
OFF	Turn off

Modes of operation  MODE 

Notation modes
Normal	Normal notation
Sci	Scientific notation
Eng	Engineering notation

Decimal modes
Float	Floating decimal
0123456789	Fixed decimal

Angle modes
Radian	Angles in radians
Degree	Angles in degrees

Graph modes
Func	Function graphing
Par	Parametric graphing
Pol	Polar graphing
Seq	Sequence graphing

Plotting modes
Sequential	Sequential plot
Simul	Simultaneous plot

Number modes
Real	Real
a+bi	Rectangular-complex
re^θi	Polar-complex

Mathematical functions  MATH 

Mathematical operations MATH
►Frac	Display as a fraction
►Dec(	Display as a decimal
³	Cube
³√(	Cube root
ͯ√	xth root
fMin(	Function minimum
fMax(	Function maximum
nDeriv(	Numerical derivative
fnInt(	Function integral
Solver…	Equation solver

Number operations NUM
abs	Absolute value
round(	Round
iPart(	Integer part
fPart(	Fractional part
Int(	Greatest Integer

Complex operations CPX
conj(	Conjugate
real(	Real part
imag(	Imaginary part
angl(	Angle
abs(	Absolute value
►Rect	Display as rectangular
►Polar	Display as polar

Probability operations PRB
rand	Random number
nPr	Permutation
nCr	Combination
!	Fractorial
randInt(	Random integer
randNorm(	Random normal
randBin(	Random binomial

Variables menu  VARS 

Variables VARS
Window…	Window variables
	X/Y	X and Y variables
		Xmin	X minimum
		Xmax	X maximum
		Xscl	X scale
		Ymin	Y minimum
		Ymax	Y maximum
		Yscl	Y scale
		Xres	X resolution
		△X	△X accuracy
		△Y	△Y accuracy
		XFact	X Fact
		YFact	Y Fact
	T/θ	T and θ variables
		Tmin	T minimum
		Tmax	T maximum
		Tstep	T step
		θmin	θ minimum
		θmax	θ maximum
		θstep	θ step
	U/V/W	U, V and W variables
		u(nMin)	u minimum
		v(nMin)	v minimum
		w(nMin)	w minimum
		nMin	n minimum
		nMax	n maximum
		Plotstart	Plotstart
		Plotstep	Plotstep

Y= function variables Y-VARS
Function…	Functions menu

Programming mode  PRGM 

Statistics mode  STAT 

Angle functions  ANGLE 

°	Degree
'	Minute
ͬ	Radian
►DMS	Display as degree/minute/second
R►Pr(	Given X and Y, return r
R►Pθ(	Given X and Y, return θ
P►Rx(	Given R and θ, return x
P►Ry(	Given R and θ, return y

Financial functions  FINANCE 

Financial calculations CALC
	TVM Solver…	Time value of money solver
	Calculating time value of money
	tvm_pmt	Payment
	tvm_I%	Interest rate per year
	tvm_PV	Present value
	tvm_N	Number of payment periods
	tvm_FV	Future value
	Calculating cash flows
	npv(	Net present value
	irr(	Internal rate of return
	Calculating amortization schedules
	bal(	Balance
	∑Prn(	Principle sum
	∑Int(	Interest sum
	Calculating interest conversions
	►Nom(	Nominal interest rate
	►Eff(	Effective interest rate
	Finding days between dates
	dbd(	Days between two dates
	Defining the payment method
	Pmt_End	End of period
	Pmt_Bgn	Begin of period

Financial variables VARS
	N	Number of payment periods
	I%	Interest rate
	PV	Present value
	PMT	Payment amount
	FV	Future value
	I%	Interest rate
	P/Y	Payment periods per year
	C/Y	Compounding periods per year

Memory management  MEM 

Check RAM...

Delete...

Clear Entries

ClrAllLists

Reset...

Catalog with commands  CATALOG 

Hyperbolic functions
sinh	Hyperbolic sine
cosh	Hyperbolic cosine
tanh	Hyperbolic tangent
sinh⁻¹	Inverse hyperbolic sine
cosh⁻¹	Inverse hyperbolic cosine
tanh⁻¹	Inverse hyperbolic tangent

Priority sequence of calculations

Calculation results

ENTER	Enter
SOLVE	Solve
=	Equal sign

Operators

r	Radius operator
∠	Polar form operator
θ	Theta operator

Characters

⎵

A    B    C    D    E    F    G    H    I    J    K    L    M    N    O    P    Q    R    S    T    U    V    W    X    Y    Z

?    θ    "

Variables (Alpha memories)

A

⁓

Z

θ

Memories

STO➧	Store
Answer memory
ANS	Recall from answer memory

Entry storage area
ENTRY	Show last entry

String memories
٬٬	Double quote
Str	String command

V-Window memories
V·WIN	View window values
STO	Store settings
RCL	Recall settings

Basic functions

+	Addition
−	Subtraction
×	Multiplication
÷	Division

Exponentiation

x²	Square
^	Powers
ex	Powers of e
10 x	Powers of 10
x⁻¹	Reciprocal

Fraction calculations

Root calculations

√	Square root
³√	Cube root
˟√	Power root

Matrix calculations  Mat 

►MAT	Matrix calculations
DIM	Dimension
Matrix input MAT
2×2	Matrix
3×3	Matrix
m×n	Matrix

Logarithmic calculations

LOG	Common logarithm
LN	Natural logarithm

Trigonometric functions

SIN	Sine
COS	Cosine
TAN	Tangent
SIN-1	Inverse sine
COS-1	Inverse cosine
TAN&-1	Inverse tangent

Decimal functions

•	Decimal
EE	Exponents of 10

Numerals

0

1

2

3

4

5

6

7

8

9

Numbers

π	Number pi
e	Number e
i	Number i

Special characters

(−)	Minus sign
٬	Separator
:	Multi-statement
'	Apostrophe
"	Double quote

Parentheses

(      )	Round parentheses
{    }	Braces
[    ]	Brackets

Deletions

DEL	Delete
DEL	Delete screen information
UNDO	Undo

Special keys

2nd	Second
ALPHA	Alpha
A-LOCK	Alpha lock

Function keys

Y=      Y= Editor  WINDOW  Window of a graph Xmin  Minimum x-axis value Xmax  Maximum x-axis value Xscl  Scaling of x-axis increments Ymin  Minimum y-axis value Ymax  Maximum y-axis value Yscl  Scaling of y-axis increments Xres  Pixel resolution of x-axis    ZOOM    Zoom of a graph ZBox  Box Zoom In  Zoom in Zoom Out  Zoom out ZDecimal  Decimal ZSquare  Square ZStandard  Standard Ztrig  Trig ZInteger  Integer ZoomStat  Start ZoomFit  Fit   TRACE   Trace a graph   GRAPH   Graph

Display screen

DRAW	Draw a graph
INS	Insert
▲   ◄   ►   ▼	Cursor control
QUIT	Quit the current screen
CLEAR	Clear screen

Miscelleneous

Error messages

 

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