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5.38”
TI-30Xa/30Xa Solar, English
www.ti.com/calc ti-cares@ti.com
2.87”
Texas Instruments U.S.A.
7800 Banner Dr.
Dallas, TX 75251
Texas Instruments Holland B.V.
Rutherfordweg 102
3542 CG Utrecht-The Netherlands
Gedruckt auf Recycling-Papier D
© 1998 Texas Instruments 30XA/OM/1L5
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TI-30Xa and TI-30Xa SOLAR Scientific Calculators Basic Operations ................................. 2 Results .......................................... 3 Basic Arithmetic .................................. 3 Percents ......................................... 4 Fractions ......................................... 5 Powers and Roots ................................ 6 Logarithmic Functions ............................ 6 Angle Units ....................................... 7 DMS .....................
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Basic Operations TI-30Xa (battery) ¦ | turns on the TI-30Xa. ¦ } turns off the TI-30Xa and clears display, settings, and pending operations, but not memory. ¦ APD™ (Automatic Power Down™) turns off the TI-30Xa automatically if no key is pressed for about 5 minutes, but does not clear display, settings, pending operations, or memory. Note: | after APD retrieves display, pending operations, settings, and memory. TI-30Xa Solar ¦ To turn on the TI-30Xa Solar, expose the solar panel to light and pres
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Results The calculator can display up to 10 digits plus a minus sign (-9,999,999,999 through 9,999,999,999) and a 2-digit exponent. Results with more than 10 digits display in scientific notation. Basic Arithmetic D > 8 2 60 D 5 8 12 J 120. J Completes all pending operations. With constant (K), repeats the operation and value. O Changes sign of value just entered. 1 D 8 O D 12 J 5. 6 7 Parenthetical expression (up to 15 open). J closes all open parentheses. . Pi is calculated with 12 digits (3.1
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Percents Percentage (5% of 250) 250 8 5 " u 0.05 J 12.5 Ratio (Ratio of 250 to 5) 250 2 5 " u 0.05 J 5000. Add-On (5% add-on of 250) 250 D 5 " u 12.5 J 262.5 Discount (5% discount of 250) 250 > 5 " u 12.5 J 237.5 4 TI30XAUS.DOC MURFE pruning Pat Hatcher Revised: 06/17/99 4:31 PM Printed: 06/17/99 4:32 PM Page 4 of 21
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Fractions b F c Enters a proper or improper fraction, bàc (b { 6 digits, c { 3 digits). When possible, improper fractions are displayed as mixed numbers. 3 F 4 34 8 3 J 214 Single-variable functions display decimal results. 1 F 2 0 0.25 a F b F c Enters the mixed fraction a bàc. (a, b, c { 3 digits each, with the total digits { 8). 6 F 4 F 6 646 J 623 " s Toggles display between a mixed number and an improper fraction. 30 F 4 304 " s 712 " s 152 " s 712 " y Toggles display between f
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Powers and Roots / 8 / D 4 / J 0.375 0 6 0 D 2 J 38. 1 256 1 D 4 1 J 18. " t 2 " t D 2 J 10. " z 8 " z D 4 J 6. , 5 , 3 J 125. " Y 8 " Y 3 J 2. Logarithmic Functions $ 15.32 $ 1.185258765 D 12.45 $ J 2.280428117 " R 2 " R > 10 0 J 0. % 15.32 % 2.729159164 D 12.45 % J 5.250879787 " S .693 " S 1.999705661 D 1 J 2.999705661 (e=2.71828182846) 6 TI30XAUS.DOC MURFE pruning Pat Hatcher Revised: 06/17/99 4:31 PM Printed: 06/17/99 4:32 PM Page 6 of 21
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Angle Units # Cycles angle-unit setting between degrees, radians, and grads without affecting displayed number. " Q Cycles (converts) angle-unit setting between degrees, radians, and grads for display, entry, and calculation. 45 DEG 45 " Q RAD 0.785398163 " Q GRAD 50. " Q DEG 45. DMS Enter DMS (Degrees/Minutes/Seconds) values as D.MMSSs, using 0s as necessary: D degrees (0–7 digits) . decimal-point separator MM minutes (must be 2 digits) SS seconds (must be 2 digits) s fractional part of a secon
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Rectangular to Polar " k converts rectangular coordinates (x,y) to polar coordinates (r,q). Convert rectangular coordinates (10,8 ) to polar. # (if necessary) DEG 10 " [ 8 DEG 8 " k (display r) DEG r 12.80624847 (display ) " [ q DEG 38.65980825 Polar to Rectangular " e converts polar coordinates (r,q) to rectangular coordinates (x,y). Convert polar coordinates (5,30) to rectangular. # (if necessary) DEG 5 " [ 30 DEG 30 " e (display x) DEG x 4.330127019 " [ (display y) DEG 2.5 8 TI30XAUS.DOC M
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Trigonometric Functions Before using the trigonometric functions ( ), *, +, " V, " W, or " X), select DEG, RAD, or GRAD with #. Note: Before using a DMS value in a calculation, you must convert it to decimal with " q. (if necessary) # DEG 90 ) DEG 1. > 30 * DEG 0.866025404 J DEG 0.133974596 1 " V DEG 90. > .5 J DEG 89.5 Hyperbolic Functions To access hyperbolic functions, press ( and then the function ( ( ), ( *, ( +, ( " V, ( " W, ( " X). Note: DEG, RAD, or GRAD does not affect hyperbolic calc
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One-Variable Statistics " h Clears all statistical data. 4 Enters a data point. " a Removes a data point. " \ Adds or removes multiple occurrences of a data point. Enter data point, press " \, enter frequency (1–99), press 4 to add or " a to remove data points. " c Sum. " d Sum of squares. " ] Mean. " _ Population standard deviation (n weighting). " ^ Sample standard deviation (n-1 weighting). " b Number of data points. 10 TI30XAUS.DOC MURFE pruning Pat Hatcher Revised: 06/17/99 4:31 PM
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Find the sum, mean, population standard deviation, and sample standard deviation for the data set: 45, 55, 55, 55, 60, 80. The last data point is erroneously entered as 8, removed with " a, and then correctly entered as 80. " h (if STAT is displayed) 45 4 n= 1 55 " \ 3 4 n= 4 60 4 n= 5 8 4 n= 6 8 " a n= 5 80 4 n= 6 " c (sum) 350. " ] (mean) 58.33333333 " _ (deviation, n weighting) 10.67187373 " ^ (deviation, n-1 weighting) 11.69045194 11 TI30XAUS.DOC MURFE pruning Pat Hatcher Revised: 06/1
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Probability A combination is an arrangement of objects in which order is not important, as in a hand of cards. " i calculates the number of possible combinations of n items taken r at a time. Calculate the number of 5-card poker hands that can be dealt from a deck of 52 cards. 52 " i 5 J 2598960. A permutation is an arrangement of objects in which the order is important, as in a race. " j calculates the number of possible permutations of n items taken r at a time. Calculate the number of possibl
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Clearing and Correcting | (battery) Clears value (before operation key) & (solar) and , but not , , , or . K M1 M2 M3 STAT | | Clears display, errors, all pending (battery) operations and K, but not M1, M2, M3, or & & (solar) STAT. } | Clears display, errors, all pending (battery) operations, K, and STAT, but not M1, M2, and M3. Sets DEG angle units, floating- decimal format. ! (solar) Clears display, errors, all pending operations, K, STAT, M1, M2, and M3. Sets DEG angle units, floating-decimal
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Memory The calculator has 3 memories. When a memory contains a number other than 0, M1, M2, or M3 displays. To clear a single memory, press 0 : 1, 0 : 2, or 0 : 3. To clear all 3 memories (solar only), press !. : n Stores displayed value in memory n, replacing current value. 23 : 1 M1 23. D 2 J M1 25. @ n Recalls value in memory n. (continued) @ 1 M1 23. D 3 J M1 26. " m n Adds displayed value to memory n. (continued) 4 " m 1 M1 4. @ 1 M1 27. " g n Exchanges displayed and memory values. (continu
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Order of Operations 1st Expressions inside parentheses. 2nd Single-variable functions that perform the calculation and display the result immediately (square, square root, cube, cube root, trigonometric, factorial, logarithmic, percent, reciprocals, angle conversions). 3rd Combinations and permutations. 4th Exponentiation and roots. 5th Multiplication and division. 6th Addition and subtraction. 7th J completes all operations. The TI-30Xa uses AOSé (Algebraic Operating System). It stores up to 4
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Notation " o Selects scientific notation. 12345 J 12345. 04 " o SCI 1.2345 " p Selects engineering notation (exponent is a multiple of 3). (continued) 03 " p ENG 12.345 " n Restores standard notation (floating- decimal) format. " { n Sets decimal places to n (0–9), retaining notation format. (continued) 03 " { 2 FIX 12.35 03 " { 4 FIX 12.3450 " { N Removes fixed-decimal setting. 5 Enters exponent. You can enter a value in floating-decimal, fixed- decimal, or scientific notation, regardless o
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Display Indicators M1, M2, or M3 A value other than 0 in M1, M2, or M3. 2nd Calculator will access 2nd function (printed above key) of next key pressed. HYP Calculator will access hyperbolic function of next key pressed. SCI or ENG Scientific or engineering notation. FIX Fixed-decimal setting. STAT Statistical register contains data. DEG, RAD, or Specifies angle-unit setting (degrees, GRAD radians, or grads). When you turn on the calculator, angle units are degrees. x x-coordinate of polar to re
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Error Conditions ¦ Number, result, or memory sum x, where 99 |x| > 9.999999999 x 10 . ¦ More than 4 pending operations (2 when STAT is displayed) or more than 15 open parentheses per pending operation. ¦ For x!: x not an integer between 0 and 69. x ¦ For y : y and x = 0 or y < 0 and x not an integer. x ¦ For y: x = 0 or y < 0 and x not an odd integer. ¦ Dividing by 0. ¦ For x: x < 0. ¦ For LOG or LN: x 0. ¦ For TAN: x=90¡, -90¡, 270¡, -270¡, 450¡, etc. -1 -1 ¦ For SIN or COS : |x| > 1
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In Case of Difficulty Review instructions to be certain calculations were performed properly. TI-30Xa (battery) If the display is blank, check for improperly installed batteries. Press | and try again. TI-30Xa Solar If the display is blank, expose the solar panel to adequate light. Press ! and try again. 19 TI30XAUS.DOC MURFE pruning Pat Hatcher Revised: 06/17/99 4:31 PM Printed: 06/17/99 4:32 PM Page 19 of 21
