Texas Instruments TI-32 User Manual
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Texas Instruments TI-32 User Manual

Texas Instruments TI-32 User Manual

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TEXAS INSTRUMENTS
TI-32
USER MANUAL
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  • Page 1 TEXAS INSTRUMENTS TI-32 USER MANUAL ,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--, |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| |--|--|--|--|--|--|--|--|--|--|--|--|--|--|--|--| t i | ‘--’--’--’--’--’--’--’--’--’--’--’--’--’--’--’--’--’--’...
  • Page 2 ENGLISH Original Texas Instruments manual from Joerg Woerner ( joerg@datamath.org at the Datamath Calculator Museum Uno cially translated from French to English by tryt https://tiplanet.org/forum/memberlist.php?mode=viewprofile&u=290005...
  • Page 3 TABLE OF KEYS This representation of the keyboard allows quick reference to the pages describing each key. 16 (1/x) 15 ( √x) 23 (STAT) 3 [2nd] 15 [x 15 [√x] 7 [OFF] 7 [ON/C] 22 (HYP) 19 (sin 19 (cos 19 (tan 16 ( √y)

  • Page 4: Table Of Contents

    Table of contents I - MAIN FEATURES ………………………………………………………………………………………………………………………………… 1 II - BASIC PRINCIPLES ………………………………………………………………………………………………………………………… 2 1. Turning the calculator on/o ………………………………………………………………………………… 2 2. The display……………………………………………………………………………………………………………………………… 2 3. Second key functions……………………………………………………………………………………………………… 3 4. Data entry keys and display formats……………………………………………………………… 3 5. Using the memory………………………………………………………………………………………………………………… 6 6.

  • Page 5: I - Main Features

    I - MAIN FEATURES This calculator provides you with many mathematical and statistical features. This manual will help you learn these features and use them e ectively. The main features are as follows: • The various functions of the calculator help you perform arithmetic, algebraic, trigonometric and statistical calculations.

  • Page 6: The Display

    To turn the calculator o , press [OFF] . The display and pending operations are cleared, and STAT mode is disabled (if active). If you do not press any key for several minutes, automatic power saver automatically turns o the calculator. Latency time may vary slightly. 2 - The display Indicator Meaning...

  • Page 7: Second Key Functions

    3 - Second key functions To select a second function, press [2nd] and then the appropriate function key. When you press [2nd] , the calculator displays “2F” to indicate that you are selecting a second function. The “second” function of a key is marked above the key itself. The statistical functions are marked on the right side of the keys and are only accessible in STAT mode .
  • Page 8 Scientific notation It is necessary to use scientific notation to enter a number less than ± 0.000000001 or greater than ± 9999999999. In this notation, the number is entered as a mantissa multiplied by 10 raised to a certain power (exponent), for example -3.6089 x 10 The calculator displays all numbers between ±...
  • Page 9 Data in scientific notation can be entered together with data in standard notation. Example: 3.2 x 10 + 12575.321 = ? Enter Press Display [ON/C] [EXP] 3.2 00 3200. 12575.321 15775.321 [FD<>Sci] 1.5775321 04 [FD<>Sci] 15775.321 Fixed decimal point It is possible to specify the number of digits of the fractional part of a number to display.

  • Page 10: Using The Memory

    Error status display The indicator “E” is displayed when an overflow or underflow occurs, or when you enter an invalid operation. No keyboard input is accepted until you press [ON/C] , which cancels the error condition and all calculations in progress. You must then restart the calculation. (See appendix A “Error Conditions”.) 5 - Using the memory The calculator has one memory which can store data.

  • Page 11: Correcting Input Errors

    6 - Correcting input errors There are several ways to correct input errors. [CE] - Clear entry key. Pressed before an operation is entered, this key clears an incorrect number from the display without a ecting the calculations in progress. Pressed after an operator or function key is used, the [CE] key has no e ect.

  • Page 12: Arithmetic Functions

    III - ARITHMETIC FUNCTIONS The calculator uses direct algebraic entry. This system allows correct interpretation of key sequences, remembering certain values and operations until they are complete according to standard algebraic rules (see the second part of this chapter). 1 - Basic keys [+] - Addition key.

  • Page 13: Direct Algebraic Entry

    2 - Direct algebraic entry (AOS™) The calculator follows algebraic rules that assign priorities to mathematical operators. If these rules did not exist, an expression such as 5 x 4 + 3 x 2 could be interpreted in several ways: 5 x (4 + 3) x 2 = 70 or (5 x 4) + (3 x 2) = 26 or ((5 x 4) + 3) x 2 = 46...

  • Page 14: Parentheses

    All single-variable functions are immediately executed on the displayed value. Example: (4 ÷ 5 ) x 7 + 3 = 4.12 Enter Press Display [ON/C] [÷] 0.16 1.12 4.12 3 - Parentheses Some calculations require you to specify exactly how you want the calculator to evaluate the elements of an expression.
  • Page 15 • When you are unsure of how the calculator will interpret the expression. There are limits to the number of operators and associated data the calculator can remember. It is possible to open up to seven parentheses simultaneously and have six pending operations . In reality, it is only in the most complex cases that you will approach these limits.

  • Page 16: Calculations With A Constant

    4 - Calculations with a constant The calculator simplifies repetitive calculations by storing a number and its associated operator for repeated use. The calculator can remember a commonly used sequence, such as + 3, ÷ (-17.3), or y , and perform it on any displayed number.

  • Page 17: Uses Of The [A] And [B] Keys

    -3.2 -3.2 -3.2 Example 2: Evaluate (3.75) , (0.1066) , and (0.0692) Enter Press Display [ON/C] 3.75 3.75 [+/-] [=] 0.014557941 .1066 1291.745463 .0692 5148.260308 5 - Uses of the [A] and [B] keys Assigning a constant value to A and B To assign a value to the [A] or [B] key, enter the value, then press [2nd] (x>A) or [2nd] (x>B) .
  • Page 18 Using A and B for other calculations When pressing [A] or [B] immediately after an operator key such as [÷] or [-] , the calculator uses the assigned value to perform the indicated operation. Example: 2 ÷ 1.234 + 1.234 = 2.854745543 Enter Press Display...

  • Page 19: Algebraic Functions

    IV - ALGEBRAIC FUNCTIONS Single-variable functions such as x are immediately executed on the displayed value. The [y ] and [2nd] ( √y) functions are not immediately executed on the displayed value: they are two-variable functions. They need a second value to perform the calculation.
  • Page 20 ] - Universal power key. It raises the displayed y value to the xth power. The input order is y [y ] x. The y value must be positive, and both x and y can be fractional. -.42 Example: 2.86 = 0.643170721 Enter Press...

  • Page 21: Logarithms And Antilogarithms

    2 - Logarithms and antilogarithms [lnx] - Natural logarithm key. It calculates the natural logarithm (base e) of the displayed x value. x must be positive. Example: ln 1.2 = 0.182321557 Enter Press Display [lnx] 0.182321557 [2nd] (e ) - Natural antilogarithm key. It calculates the natural antilogarithm of the displayed x value.

  • Page 22: Factorials

    3 - Factorials The factorial [2nd] (x!) key calculates the factorial (x) (x-1) (x-2)… (2) (1) of the displayed integer x value, with 0 < x ≤ 69 (by definition, 0! = 1). Example: 36! = 3.7199333 x 10 Enter Press Display [2nd] (x!)

  • Page 23: Trigonometric Function Keys

    Trigonometric function keys [sin] - Sine key. It calculates the sine of the displayed angle. [2nd] (sin ) - Arcsine key. It calculates the smallest angle whose sine is displayed (first or fourth quadrant, sin [cos] - Cosine key. It calculates the cosine of the displayed angle. [2nd] (cos ) - Arccosine key.
  • Page 24 -tan 16.2° Example: [sin(.3012��)] = 1.062665429 Enter Press Display Comments (use [DRG] to select radians) [ON/C] [(] .3012 0.3012 [2nd] (��) 3.141592654 0.946247707 (.3012��) [sin] 0.811227138 Sin (.3012��) 0.811227138 16.2 [DRG] [DRG] 16.2 [tan] 0.290526857 Tan 16.2° [+/-] [=] 1.062665429 Result Because some angles have identical function values within one revolution, the angle returned by each value is limited according to the table below:...

  • Page 25: Conversion Between Degree Formats

    Example: sin 0.712 = 45.39787468 degrees 0.792342387 radians 50.44208298 grads Enter Press Display (use [DRG] to select degrees) .712 [2nd] (sin 45.39787468 (use [DRG] to select radians) .712 [2nd] (sin 0.792342387 (use [DRG] to select grads) GRAD .712 [2nd] (sin 50.44208298 Conversion between degree formats An angle measured in degrees, minutes, and seconds (DMS) must be...

  • Page 26: Hyperbolic Functions

    Example: Convert 30.27’18” from degrees/minutes/seconds format to decimal degree format, then perform the inverse conversion. Enter Press Display Comments 30.2718 [2nd] (>DD) 30.455 Decimal degree format [2nd] (>DMS) 30.2718 DMS format: 30 degrees 27 minutes 18 seconds 5 - Hyperbolic functions To solve problems involving hyperbolic functions , use the sequence [2nd] (HYP) , as shown below: hyperbolic sine (sinh)……………………………………………………………...

  • Page 27: Statistical Functions

    V - STATISTICAL FUNCTIONS In many cases, you are required to make decisions based on a data set. This data may consist of survey results, sales figures, game statistics, etc. The calculator’s statistical keys allow you to analyze these data sets.

  • Page 28: Statistical Calculation Keys

    3 - Statistical calculation keys After entering the data, various keys are used to calculate the mean, variance, standard deviation, and other statistical values. [x ̇ ] - Mean key. It calculates the mean of the data set. [2nd] (∑x) - Sum key. It calculates the sum of the data set. [2nd] (∑x ) - Sum of squares key.
  • Page 29 Example: Analyze the following exam scores: 96, 81, 87, 74, and 92, considering that the five students concerned are part of a sample of a larger class. Then analyze the data considering that they represent the entire class Enter Press Display Comments [ON/C]...

  • Page 30: Appendices

    APPENDICES A - Error conditions General error conditions 1. Calculating a value (including in the case of a memory sum) greater than ± 9.999999999 x 10 2. Dividing by zero. 3. Calculating [log] , [lnx] , or [1/x] of zero. 4.

  • Page 31: In Case Of Di Culty

    Statistics mode error conditions 1. Calculating a sample standard deviation (using n-1 evaluation) of a single data point. 2. Entering a data point x where x ≥ 1 x 10 3. Entering a data set (x ) where ∑(x exceeds the lower or upper limits of the calculator.
  • Page 32 To replace the batteries: 1. Turn the calculator o . 2. Using a small Phillips-head screwdriver, remove the two screws at the top of the calculator. 3. Remove the battery compartment cover. 4. Remove the old batteries and install the new ones. Avoid contact with exposed circuitry to protect the calculator from damage.

  • Page 33: Two-Year Warranty

    1641 and following of the Civil Code. This Texas Instruments calculator is warranted for parts and labor to the original purchaser for a period of two years from the date of purchase under normal use conditions.

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