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Getting to Know Your TI-84 Plus Silver Edition
Turning Your TI-84 Plus Silver Edition On and Off TI-84 Plus Silver Edition Keyboard
To turn on your TI-84 Plus Silver Edition, press ….
åkey accesses the Handheld
If you had previously turned off your TI-84 Plus Silver Edition by pressing
Software Applications (Apps) loaded
y M, it will display the home screen as it was when you last used it.
on your TI-84 Plus Silver Edition
É accesses the alpha function
To turn off your TI-84 Plus Silver Editio
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Getting Started Using Your TI-84 Plus Silver Edition TI-84 Plus Silver Edition Edit Keys Using a TI-84 Plus Silver Edition Menu Keystroke Result You can access most TI-84 Plus Silver Edition operations using menus. ~ or | Moves the cursor within an expression. When you press a key or key combination to display a menu, one or } or Ü Moves the cursor from line to line within an expression that more menu names appear on the top line of the screen. occupies more than one line. On the top line of a
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TI-84 Plus Silver Edition Expressions, Menus, and Graphing Entering Expressions and Instructions Defining or Editing a Function for Graphing What is an Expression? To Define or Edit a Function An expression is a group of numbers, variables, or functions and 1 Press o to display the Y= editor. their arguments, or a combination of these elements. An expression 2 Press Ü to move the cursor to the 1 2 evaluates to a single answer. For example, () is an expression. On the 3 function you want to d
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All About Apps for the TI-84 Plus Silver Edition If you’ve ever wondered... To access the Apps on your So what is that little å key on your TI-84 Plus Silver Edition TI-84 Plus Silver Edition for, anyway? All you have to do is press the å key, scroll down the list to the App you‘d like to explore, and press Õ. If you get stuck using an App, Handheld Software Applications, or Apps, are pieces of software you visit education.ti.com/guides to download the FREE instruction guide. can add on to
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General Math with the TI-84 Plus Silver Edition Arithmetic Operations and Properties Math Symbols Arithmetic Operations with the TI-84 Plus Silver Edition To access many math symbols, Addition: valueA + valueB Returns valueA plus valueB √ go to the TEST Menu on your Subtraction: valueA - valueB Subtracts valueB from valueA π TI-84 Plus Silver Edition, by pressing x Multiplication: valueA valueB Returns valueA times valueB Ø y : . Division: valueA ÷ valueB Returns valueA divided by valueB •
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Algebra with the TI-84 Plus Silver Edition Law of Exponents & Radicals Graphing Inequalities Formulas Examples Keystrokes (where a=3, b=2, P=5, Q=6, r=4, s=2) r s r + s 4 2 4 + 2 a x a = a 3 x 3 = 3 0 G D 1 T / E Õ 729 r 4 a 3 r – s 4 – 2 s = a 2 = 3 0 G D 1 U / E Õ 9 a 3 The Inequality Graphing App for The intersection of y ≤ 2x-3 p q 5 6 a a 3 x 3 p + q – r 5 + 6 – 4 2 r = a 4 = 3 0GD2T3U1EÕ 2187 the TI-84 Plus Silver Edition is and y > .5x -7 is shaded. a 3 used here to enter the equations
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More Algebra with the TI-84 Plus Silver Edition Definition of Slope The Distance Formula This section uses the Topics in Algebra 1 App for the TI-84 Plus Silver Edition The Distance Formula is used to calculate the distance between two points. to help define slope. 2 2 vertical change rise y – y d(P , P ) = √(x – x ) + (y – y ) 1 2 2 1 2 1 2 1 m = = = horizontal change run x – x 2 1 Example: Find the distances between the points P (2, 5) and P (-3, 1). 1 2 2 2 2 2 d(P , P ) =
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Geometry with the TI-84 Plus Silver Edition Lines Polygons The information in this section is presented using screen shots from the ™ StudyCards and Cabri Jr. Apps for the TI-84 Plus Silver Edition. Creation of primitive geometric objects as Points, Lines, Line Segments and many ™ others is fun and easy using the Cabri Jr. App for the TI-84 Plus Silver Edition. Triangles This section features the Cabri Jr. App for the TI-84 Plus Silver Edition. Equilateral: all sides and angles equal Isoscele
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Trigonometry with the TI-84 Plus Silver Edition hyp opp hyp u Trigonometric Functions Special Values of Trigonometric Functions opp adj Acute Angles u (degrees) (radians) sin cos tan cot sec csc hyp opp hyp ò sin = / csc = / hyp opp opp hyp 0° 00 1 0 – 1 – adj adj hyp y opp ô cos = / sec = / hyp adj u √3 π 1 √3 2√3 opp adj (a,b) √3 30° 2 ö tan = / cot = / u adj 3 adj opp 6 2hyp 2 3 y u opp adj r π √2 √2 x (a,b) 45° 11 √2 √2 Arbitrary Angles u 4 2 2 y u b r sin
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Math References Metric Prefixes Greek Alphabet Prefix Symbol Magnitude Prefix Symbol Magnitude Upper Lower Name Upper Lower Name Upper Lower Name 18 -1 Exa- E 10 deci- d 10 Αα alpha Ιι iota Ρρ rho 15 -2 Peta- P 10 centi- c 10 Ββ beta Κκ kappa Σσ sigma 12 -3 Tera- T 10 milli- m 10 Γγ gamma Λλ lambda Ττ tau 9 -6 Giga- G 10 micro- ∝ 10 ∅δ delta Μ∝ mu Υυ upsilon 6 -9 Mega- M 10 nano- n 10 Εε epsilon Νν nu Φφ phi 3 -12 kilo- k 10 pico- p 10 Ζζ zeta Ξξ xi Χχ chi 2 -15 hecto
