Texas Instruments MathPrint TI-30X Plus Manual Book
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Texas Instruments MathPrint TI-30X Plus Manual Book

Texas Instruments MathPrint TI-30X Plus Manual Book

Scientific calculator
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TI-30X Plus MathPrint™
Scientific Calculator Guidebook
Learn more about TI Technology through the online help at education.ti.com/eguide.

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Summary of Contents for Texas Instruments MathPrint TI-30X Plus

  • Page 1 TI-30X Plus MathPrint™ Scientific Calculator Guidebook Learn more about TI Technology through the online help at education.ti.com/eguide.
  • Page 2 "as-is" basis. In no event shall Texas Instruments be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the...

  • Page 3: Table Of Contents

    Contents Getting Started Switching the Calculator On and Off Display Contrast Home Screen 2nd Functions Modes Multi-Tap Keys Menus Examples Scrolling Expressions and History Answer Toggle Last Answer Order of Operations Clearing and Correcting Memory and Stored Variables Math Functions Fractions Scientific Notation [EE] Powers, Roots and Inverses...
  • Page 4 Australian Lithium Battery Warning In Case of Difficulty General Information...

  • Page 5: Getting Started

    Getting Started This section contains information about basic calculator functionality. Switching the Calculator On and Off & turns on the calculator. % ' turns it off. The display is cleared, but the history, settings, and memory are retained. The APD™ (Automatic Power Down™) feature turns off the calculator automatically if no key is pressed for about 3 minutes.

  • Page 6: 2Nd Functions

    Indicator Definition DEG, RAD, Angle mode (degrees, radians, or gradians). (See GRAD Mode section.) L1, L2, L3 Displays above the lists in data editor. H, B, O Indicates HEX, BIN, or OCT number-base mode. No indicator displayed for default DEC mode. The calculator is performing an operation.
  • Page 7 - Sets the angle mode to degrees, radians, or gradians. DEGREE RADIAN GRADIAN - Sets the numeric notation mode. Numeric notation modes NORMAL affect only the display of results, and not the accuracy of the values stored in the unit, which remain maximal.
  • Page 8 Examples of MathPrint™ and Classic Modes MathPrint™ Mode Classic Mode Float mode and answer toggle Float mode and answer toggle key. Fix 2 and answer toggle key Fix 2 Un/d Un/d entry Exponent example Exponent example Square root example Square root example Cube root example Cube root example Getting Started...

  • Page 9: Multi-Tap Keys

    Multi-Tap Keys A multi-tap key is one that cycles through multiple functions when you press it. Press " to stop multi-tap. For example, the X key contains the trigonometry functions sin and sin / as well as the hyperbolic functions sinh and sinh /. Press the key repeatedly to display the function that you want to enter.

  • Page 10: Examples

    Examples Some sections are followed by instructions for keystroke examples that demonstrate the TI-30X Plus MathPrint™ functions. Notes: • Examples assume all default settings, as shown in the Modes section unless noted in the example. Use - to clear the home screen as needed. •...

  • Page 11: Last Answer

    Press the r key to toggle the display result (when possible) between fraction and decimal answers, exact square root and decimal, and exact pi and decimal. Example % b 8 < Answer toggle r is also available to toggle number formats for values in cells in the Function Note: Table and in the Data Editor.

  • Page 12: Order Of Operations

    Order of Operations The TI-30X Plus MathPrint™ calculator uses Equation Operating System (EOS™) to evaluate expressions. Within a priority level, EOS™ evaluates functions from left to right and in the following order. Expressions inside parentheses. Functions that need a ) and precede the argument, such as sin , log , and all R ³´...
  • Page 13 13th < evaluates the input expression. 14th End of expression operators and Base n conversions such as 4 Bin , angle Note: conversion 4 DMS , 4 Pfactor , and complex number conversions 4 Polar and 4 Rectangle , are only valid in the Home Screen.

  • Page 14: Clearing And Correcting

    Clearing and Correcting Returns the cursor to the home screen. Quickly dismisses these applications: Expression Evaluation, Set Operation, Function Table, Data Editor, Statistics and Distributions. Clears an error message. Clears characters on entry line. Deletes the character at the cursor. When the cursor is at the end of an expression, it will backspace and delete.
  • Page 15 % h recalls the values of variables. Press % h to display a menu of variables and their stored values. Select the variable you want to recall and press <. The value assigned to the variable is inserted into the current entry and used to evaluate the expression.
  • Page 16 < W 4 < Problem In a gravel quarry, two new excavations have been opened. The first one measures 350 meters by 560 meters, the second one measures 340 meters by 610 meters. What volume of gravel does the company need to extract from each excavation to reach a depth of 150 meters? To reach 210 meters? Display the results in engineering notation.
  • Page 17 V z z < V z z < For the second excavation, the company needs to extract 31.11 million cubic meters to reach a depth of 150 meters, and extract 43.554 million cubic meters to reach a depth of 210 meters. Getting Started 13...

  • Page 18: Math Functions

    Math Functions This section contains information about using the calculator math functions such as trigonometry, statistics, and probability. Fractions Fractions with P can include real and complex numbers, operation keys (T, V, etc.), and most function keys (F, % _, etc.). In Classic mode or classic entries in MathPrint™...
  • Page 19 On the Home Screen • To paste a previous entry from history in the numerator or mixed number unit, place the cursor in the numerator or unit, press # to scroll to the desired entry, and then press < to paste the entry to the numerator or unit. •...

  • Page 20: Scientific Notation [Ee]

    P M 5 T % b Example F U 4 ( 1 ) ( 6 ) $ 2 ( 1 ) < Examples in Classic Mode P 4 T 1 % @ 7 n/d, Un/d P 12 < 4n/d³´Un/d 9 P 2 d 1 < f³´d % @ 1 P 2 % j <...

  • Page 21: Powers, Roots And Inverses

    - < E 2 V 6 E M 1 < P 5 E 3 $ 2 E 4 < % i % j Example Textbook Problem ( 5 V 10 G 3 " ) W ( 2 V G 4 " ) < Using E E 3 W 2 E 4 <...

  • Page 22: Pi (Symbol Pi)

    G M 2 < % b 49 < % b 3 F T 2 G 4 < % c 64 < < % a < Pi (symbol Pi) g (multi-tap key) p ≈ 3.14159265359 for calculations. p ≈ 3.141592654 for display in Float mode. Example V g <...

  • Page 23: Math

    g V 12 F < The area of the circle is 144 p square cm. The area of the circle is approximately 452.4 square cm when rounded to one decimal place. Math d MATH d displays the MATH menu: 1:4n/d³´Un/d Converts between simple fractions and mixed- number form.

  • Page 24: Number Functions

    d 4 < 4Pfactor sum( " 4 " z V 2 < prod( " 5 " 1 P z " " < Number Functions d NUM d " displays the NUM menu: 1:abs( Absolute value Syntax: abs( value ) 2:round( Rounded value Syntax: round( value , #decimals ) 3:iPart(...

  • Page 25: Angles

    Examples d " 1 abs( M % b 5 < d " 2 round( % ` 1 ) 1.245 < # # < ! ! ! ! ! 5 < L z < iPart( d " 3 z ) fPart( <...
  • Page 26 Choose an angle mode from the mode screen. You can choose from DEGREE (default), RADIAN, or GRADIAN. Entries are interpreted and results displayed according to the angle mode setting without needing to enter an angle unit modifier. You can also convert between rectangular coordinate form (R) and polar Note: coordinate form (P).
  • Page 27 - 12 d " " d " " 2 d " " 3 T 26 d " " 1 d " " 2 d " " 3 < d " " 6 < The result is 39 degrees, 26 minutes and 23 seconds. Problem It is known that 30¡...

  • Page 28: Trigonometry

    Trigonometry Z (multi-tap keys) Pressing one of these multi-tap keys repeatedly lets you access the corresponding trigonometric or inverse trigonometric function. Set the Angle mode - Degree or Radian - before your calculation. Example in Degree Mode q < - Z 45 ) <...
  • Page 29 Problem Find angle A of the right triangle below. Then calculate angle B and the length of the hypotenuse c . Lengths are in meters. Round results to one decimal place. Reminder: tan A = therefore m ±A = tan m ±A + m ±B + 90¡...

  • Page 30: Hyperbolics

    q < $ $ " " < To one decimal place, the measure of angle A is 66.8¡, the measure of angle B is 23.2¡, and the length of the hypotenuse is 7.6 meters. Hyperbolics Z (multi-tap keys) Pressing one of these multi-tap keys repeatedly lets you access the corresponding hyperbolic or inverse hyperbolic function.

  • Page 31: Statistics, Regressions, And Distributions

    D D D pastes the logBASE function as a MathPrint™ template. When needed, the arguments in classic entry are logBASE( value , base ) . C pastes e to the power function. C C pastes 10 to the power function. Examples D D 1 ) <...
  • Page 32 1:StatVars Displays a secondary menu of the last computed statistical result variables. Use $ and # to locate the desired variable, and press < to select it. If you select this option before calculating 1-Var stats, 2-Var stats, or any of the regressions, a reminder appears.
  • Page 33 :PwrReg a x ^b Fits the model equation y=ax to the data using a least-squares fit and transformed values ln(x) and ln(y). It displays values for a and b ; it also displays values for r and r . :ExpReg ab^ x Fits the model equation y=ab to the data using a least-squares fit and transformed values x and ln...
  • Page 34 5:Binomialcdf Computes a cumulative probability at x for the discrete binomial distribution with the specified numtrials and probability of success ( p ) on each trial. x can be non-negative integer and can be entered with options of SINGLE, LIST or ALL (a list of cumulative probabilities is returned.) 0 { p { 1 must be true.
  • Page 35 Variables 1-Var or 2-Var Definition ¢ 2-Var Uses a and b to calculate predicted y value when you input an x value. or maxX Both Minimum or maximum of x minX values. 1-Var Median of the elements between minX and Med (1st quartile). 1-Var Median of all data points.
  • Page 36 (Selects 1-VAR STATS ) < < Stat Var V 2 < 2-Var Example Data: (45,30); (55,25). Find: x¢(45). v v $ $ $ Clear all data < 45 $ 55 $ " Data $ 25 $ Stat (Selects 2-VAR STATS $ $ $ <...
  • Page 37 < 45 ) < Problem For his last four tests, Anthony obtained the following scores. Tests 2 and 4 were given a weight of 0.5, and tests 1 and 3 were given a weight of 1. Test No. Score Weight 1.
  • Page 38 $ " " < < Anthony has an average (v) of 11.33 (to the nearest hundredth). On the calculator, n represents the total sum of the weights. n = 1 + 0.5 + 1 + 0.5. Gx represents the weighted sum of his scores. (12)(1) + (13)(0.5) + (10)(1) + (11)(0.5) = 34.
  • Page 39 v v $ $ $ < $ 49 $ 65 $ 79 $ " 5.3 $ $ 20.21 $ 38.45 < 14.45 (Selects 2-VAR STATS ) $ $ $ < Press $ as necessary to view a and This line of best fit, y '=0.67732519 x 'N18.66637321 models the linear trend of the data. Press $ until y' is highlighted.
  • Page 40 v v $ $ $ Clear all data Data < $ 2 $ 3 $ 4 $ $ " $ 8 $ 11 $ 14 $ < Regression $ $ $ < $ $ $ $ < Press $ to examine all the result variables.
  • Page 41 Regression < $ $ $ " Save the regression < equation to f(x) in the I menu. Regression < Equation Find the average value (Selects StatVars ) (y) of the $ $ $ data in L2 $ $ $ using Notice that the title bar StatVars.
  • Page 42 Distribution Example Compute the binomial pdf distribution at x values {3,6,9} with 20 trials and a success probability of 0.6. Enter the x values in list L1, store the results in L2, and then find the sum of the probabilities and store in the variable t . v v $ $ $ Clear all data...

  • Page 43: Probability

    Probability % † H is a multi-tap key that cycles through the following options: A factorial , n!, is the product of the positive integers from 1 to n . The value of n must be a positive whole number { 69. When n = 0, n! = 1 Calculates the number of possible combinations given n and r , non-negative integers.
  • Page 44 L % † Store value to rand (Selects rand ) < % † 1 < rand randint( % † 2 % ` 5 ) < Problem An ice cream store advertises that it makes 25 flavors of home made ice cream. You like to order three different flavors in a dish.

  • Page 45: Math Tools

    Math Tools This section contains information about using the calculator tools such as data lists, functions, and conversions. Stored Operations % n lets you store an operation. % m pastes operation to the home screen. To set an operation and then recall it: 1.

  • Page 46: Data Editor And List Formulas

    Redefine op - % n - < Recall op Problem A local store allows you to earn loyalty points that you can redeem for various gifts. The store adds 35 points to your mobile app for every visit. You would like to get a music download which costs 275 points.
  • Page 47 FORMULA 1:Clear L1 1:Add/Edit Frmla 1:Sort Sm-Lg... 2:Clear L2 2:Clear L1 Frmla 2:Sort Lg-Sm... 3:Clear L3 3:Clear L2 Frmla 3:Sequence... 4:Clear ALL 4:Clear L3 Frmla 4:Sum List... 5:Clear ALL Entering and Editing Data Use ! " # $ to highlight a cell in the data editor and then enter a value. •...
  • Page 48 Options (OPS menu) In the data editor, press v ! to display the OPS menu. Select the appropriate menu item to: • Sort values from smallest to largest or largest to smallest. • Create a Sequence of values to fill a list. •...
  • Page 49 g z < 1 < 4 < 1 < < v ! 4 Store the Sum of L1 to the < variable z < " " " < < Problem On a November day, a weather report on the Internet listed the following temperatures.

  • Page 50: Function Table

    v " 1 W 5 V v 1 T 32 < If Sydney, Australia is 21¡C, find the temperature in degrees Fahrenheit and store the temperature in the variable z . ! $ $ $ 21 < # " < % " L z z <...
  • Page 51 The function table allows you to display a defined function in a tabular form. To set up a function table: 1. Press I and select Add/Edit Func . 2. Enter one or two functions and press <. 3. Select the table start, table step, auto, or ask- x options and press <. The table is displayed using the specified values.
  • Page 52 < After searching close to x = 18, the point (18,324) appears to be the vertex of the parabola since it appears to be the turning point of the set of points of this function. To search closer to x = 18, change the Step value to smaller and smaller values to see points closer to (18,324).

  • Page 53: Expression Evaluation

    I 1 - M 2 z T 5 < - z U 4 < 2 < 1 Select Auto < < < $ The two lines intersect at (x,y) = (3,L1). Expression Evaluation % ‡ Press % ‡ to input and calculate an expression using numbers, functions, and variables/parameters.

  • Page 54: Constants

    < - 1 P 4 < - % b 27 < % ‡ < - % b 40 < - % b 45 " g g < Constants Constants lets you access scientific constants to paste in various areas of the TI-30X Plus MathPrint™...

  • Page 55: Complex Numbers

    Note: Displayed constant values are rounded. The values used for calculations are given in the following table (NIST 2018). Constant Value used for calculations speed of light 299792458 meters per second gravitational acceleration 9.80665 meters per second M 34 Planck’s constant 6.62607015×10 Joule seconds Avogadro’s number...
  • Page 56 The calculator performs the following complex number calculations: • Addition, subtraction, multiplication, and division • Argument and absolute value calculations • Reciprocal, square, and cube calculations • Complex Conjugate number calculations Setting the Complex Format Set the calculator to DEC mode when computing with complex numbers. q $ $ $ Selects the REAL menu.
  • Page 57 Complex Menu Description 7:real Returns the real part of a complex number. Syntax: real( value ) 8:imaginary Returns the imaginary (nonreal) part of a complex number. Syntax: imag( value ) Examples (set mode to RADIAN) - 5 % ˆ Polar angle <...

  • Page 58: Reference Information

    Reference Information This section contains information about errors, maintaining and replacing the batteries, and troubleshooting problems. Errors and Messages When the calculator detects an error, the screen will display the error type or a message. • To correct an error: Press - to clear the error screen. The cursor will display at or near the error.
  • Page 59 Error/Message Description Domain This error is returned when an argument is not in the function domain. For example: • For x ‡ y : x = 0 – or – y < 0 and x is not an odd integer. •...
  • Page 60 Error/Message Description must be Real real number. Invalid This error is returned when the argument of a command or function is the incorrect data type. data type For example, the error will be displayed for sin (i) or min(i,7) where the arguments must be Real numbers.
  • Page 61 Error/Message Description parentheses, or commas. TRIALS: This error is returned in Binomialpdf and Binomialcdf, when the number of trials is out Enter 0{n{49 of range, 0{ n {49 in the case of ALL. Reference Information 57...

  • Page 62: Battery Information

    Battery Information Battery Caution: • Do not ingest battery, Chemical Burn Hazard. • This product contains a coin or button cell battery. If the coin or button cell battery is swallowed, it can cause severe internal burns in just 2 hours and can lead to death.

  • Page 63: In Case Of Difficulty

    • To replace the batteries, check the polarity (+ and -) and slide in the new batteries. Press firmly to snap the new batteries into place and replace the screw in the battery clip. When replacing the batteries, avoid any contact with the other Important: components of the calculator.

  • Page 64: General Information

    Service and Warranty Information education.ti.com/warranty Select your country for information about the length and terms of the warranty or about product service. Limited Warranty. This warranty does not affect your statutory rights. Texas Instruments Incorporated 12500 TI Blvd. Dallas, TX 75243 General Information...

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