Precalculus

TI DOWNLOADS

The programs below are for the TI-83 graphing calculator from Texas Instruments.

Using GraphLink software from Texas Instruments, you can download a program from your computer to your graphing calculator. In the list below, click on 'DOWNLOAD' to save the program on your computer. If this is the first time you are downloading a TI calculator program, or if you do not have GraphLink software, you can find help on the instructions page located on the Texas Instruments Web Site.

The textbook chapter or section to which a program applies is noted.

General

DOWNLOAD
  PRIMES:

This program will list all the prime numbers up through a specified integer. It is a general situation program, not applicable to any particular section.

Section 1.2

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  ADEF:

This program sets the calculator for the defaults for graphing.

Section 1.4

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  AZOOMDEC:

This program sets the function mode viewing rectangle to [-9.4, 9.4, 1] by [-6.2,6.2.1]. This is a square viewing rectangle that traces along x values with increments of 0.2.

Section 1.5

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  PARABOLA:

This program will provide useful information for the graph of a quadratic function. It will give the y-intercept, the coordinates of the vertex, the real zeros, the graph, and a table of selected points on the graph.

Section 2.3 &
Section 2.5


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  LINES:

This program will, when two points are provided, give the slope, y-intercept, and x-intercept of the line joining them, will give the distance between the two points, and will give the midpoint of the segment joining the two lines.

Section 2.5

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  DISTANCE:

This program will give the distance between two points. It will display using "Square Root of" notation as well as a decimal approximation.

Section 3.1 &
Section 3.5


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  QUADFORM:

This program uses the quadratic formula to give the solutions of a quadratic equation. For nonreal solutions, it gives the real and imaginary parts.

Section 3.6

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  FRIENDLY:

This program allows the user to create a "friendly" graphing window, centered at a specified point with desired scale. Upon tracing, x-value increments will be .1.

Section 4.2

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  LININV:

This program will graph both a linear function and its inverse in the same window. The user must provide an appropriate viewing window.

Section 4.4

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  LOG:

This program uses the change-of-base rule to give the desired logarithm when the user inputs the base and the argument.

Section 5.1

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  DEGTORAD:

This program allows the user to convert from degrees to radians. Radian measure will be given as decimal.

Section 5.1

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  RADTOREG:

This program allows the user to convert from radian to degree measure.

Section 7.1

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  LAWSIN:

This program applies the law of sines when given two angles and the side included between two angles (the common side).

Section 7.1

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  LCOSSAS:

This program applies the law of cosines when given two sides and the included angle.

Section 7.2

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  HERON:

This program uses Heron's Formula to give the area of a triangle if the lengths of the three sides are known.

Section 8.1 &
Section 8.2


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  SYSTWO:

This program provides the solution to a system of two linear equations in two unknowns, provided there is a single solution.

Section 8.3

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  SYSTHREE:

This program provides the solution to a system of three linear equations in three unknowns, provided there is a single solution.

Section 8.3 &
Section 8.5


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  SYSFOUR:

This program provides the solution to a system of four linear equations in four unknowns, provided there is a single solution.

Section 9.1

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  FIB:

This program will give the user the n th term of the Fibonacci Sequence: 1, 1, 2, 3, 5, 8, 13, ... .

Section 9.2

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  GEOSUM:

This program will give the sum of the terms of an infinite geometric series with |r| < 1.

Section 9.3

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  HORZPAR:

This program will graph a horizontal parabola x = ay2 + by + c. The user must set the appropriate window.
 
 
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