background image

 

0.7 

Menus 

Press 

>

 and 

]

 to scroll and select a menu item or press the corresponding number next to 

the item. To return to the previous screen without selecting the item, press 

s

. To exit a 

menu and return to the home screen, press 

q

 

Keystrokes description

For example, press 

t

 (key with multiple 

menus) to access 

MATH

NUM

DMS

 or 

R◄►P

 

 

 

0.8 

Scrolling expressions and history 

Press 

 or 

 to move the cursor within an expression that you are entering or editing. 

Press 

 

 to move the cursor directly to the beginning of the expression. 

Press 

 

 to move the cursor directly to the end of the expression. 

Press 

[

 or 

]

 to move the cursor through previous entries in the history. Pressing 

n

 from 

an input or output in history will copy and paste that expression back to the cursor position 
on the edit line. 

Press 

q

 

[

 from the denominator of a fraction in the expressions edit to move the cursor 

to the history. Pressing 

n

 from an input or output in the history will paste that expression 

to the denominator. 

Example 

Press 

l

 to calculate the square of a value. 

Use the TI-3

0X Plus MathPrint™ to calculate 

(a) 

2

2

17

7

(b) 

2

2

17

7

, giving your answer in exact form. 

Keystrokes and solution

(a) 

Enter 

17

 and press 

l

 

-

Enter 

7

 and press 

l

 

n

2

2

17

7

240

=

 

(b) 

Press 

q

 

 

[

 

[

 

n

 

n

2

2

17

7

4 15

=

 

 

 

 

 

 

 

 

Summary of Contents for MathPrint TI-30X Plus

Page 1: ...The platform bar is a trademark of Texas Instruments 2021 Texas Instruments CL26503 3 TI 30X Plus MathPrint Scientific Calculator Quick Guide...

Page 2: ...i tap keys 3 0 7 Menus 4 0 8 Scrolling expressions and history 4 0 9 Answer toggle 5 0 10 Last answer 5 0 11 Order of operations 6 0 12 Clearing and correcting 7 0 13 Memory and stored variables 8 1 B...

Page 3: ...st the contrast 1 Press and release the q key 2 Press to darken the screen or press to lighten the screen If needed repeat the above steps to set the desired contrast 0 3 Home screen The TI 30X Plus M...

Page 4: ...ress n to select it Press s or to return to the home screen and perform your calculations using the chosen mode settings Default mode settings are highlighted in these two sample screens MATHPRINT mod...

Page 5: ...Press to move the cursor directly to the end of the expression Press or to move the cursor through previous entries in the history Pressing n from an input or output in history will copy and paste tha...

Page 6: ...output from the previous example Press c to toggle between exact form and decimal form 4 15 15 49 0 10 Last answer The last entry performed on the home screen is stored to the variable ans To recall t...

Page 7: ...2 3 2 512 The TI 30X Plus MathPrint evaluates expressions entered with and from left to right in both Classic and MathPrintTM modes For example pressing 2 l l is calculated as 2 2 2 16 5th Negation 6t...

Page 8: ...Press l n 2 4 16 0 12 Clearing and correcting Press q to return the cursor to the home screen Press s to clear an error message It also clears characters on an entry line Press e to delete the charact...

Page 9: ...ue assigned to the variable is inserted into the current entry and used to evaluate the expression Press q and select 1 Yes to clear all variable values Example Given that 5 x and 12 y use the TI 30X...

Page 10: ...wer as a mixed number Press t 1 n 3 7 1 1 2 4 12 3 Note Parentheses are added automatically If decimal numbers are used or calculated in a fraction s numerator or denominator the result will display a...

Page 11: ...ecimal place Keystrokes and solution Press d and enter 8 Press l n This gives 64 A Press c to convert to a decimal 201 1 A cm2 correct to 1 dec place 1 4 Surds Example Use the TI 30X Plus MathPrint to...

Page 12: ...and press n Press and to move around the function table feature Start Specifies the starting value for the independent variable x It is set to start at 0 Step Specifies the step value for the independ...

Page 13: ...Plus MathPrint function feature to determine how many people at the party shook hands Keystrokes and solution a Press a 1 to access the function table If required press Press k and press z to paste x...

Page 14: ...ght a cell in the data editor and then enter a value Press e to delete a cell n s to clear the edit line of a cell q to return to the home screen to go to the top of a list to go to the bottom of a li...

Page 15: ...re b If Katoomba is predicted to have a maximum temperature of 9 C use the TI 30X Plus MathPrint to convert this temperature to degrees Fahrenheit Keystrokes and solution a i Using the data editor and...

Page 16: ...erations feature Press q If required press s to clear any previous stored operations Press and enter 1 8 Press and enter 32 Press n Enter 13 q Enter 18 q Enter 2 q The three converted temperatures are...

Page 17: ...I 30X Plus MathPrint to predict the number and nature of x intercepts for the graph of 2 2 9 5 y x x Keystrokes and solution Press q If required press z is a multi tap key that cycles through the vari...

Page 18: ...radian mode to convert 45 to radians Keystrokes and solution Press w n to be in radian mode Enter 45 and press t 1 n 45 4 Example Use the TI 30X Plus MathPrint to convert 62 4 to an angle expressed in...

Page 19: ...Press h and enter 23 Press t 1 and enter 18 Press t 2 n The horizontal distance is 232 2 metres correct to one decimal place Note Press w n to set the decimal notation mode to a one decimal place out...

Page 20: ...mpanies A and B produce packets of chips which are labelled as having a weight of 50 grams A random sample of 10 packets is taken from each company Each packet is weighed and the results in grams are...

Page 21: ...0 and pressing or n Press to scroll across to the top of L2 Enter the Company B data in L2 Start by entering 51 0 and pressing or n Press q to access the statistics menu Press 2 to access 1 Var Stats...

Page 22: ...pany B The five number summary is 50 50 5 50 9 51 1 51 5 Using StatVars Press q to return to the statistics menu Press 2 to access 1 Var Stats Ensure L1 is selected and press n Press n to again calcul...

Page 23: ...femur bone and humerus bone of a particular species of fossil are shown in the following table Femur length x 60 57 65 39 75 Humerus length y 71 64 73 42 85 a Use the TI 30X Plus MathPrint to determin...

Page 24: ...o access 2 Var Stats Select L1 for xDATA and select L2 for yDATA Press to highlight CALC and press n a Scrolling up or down we obtain 1 196 a and 3 856 b The least squares regression line is 1 20 3 86...

Page 25: ...orrect to the nearest centimetre the humerus bone length is estimated to be 54 cm Example A Mathematics test consists of 10 multiple choice questions each of which has five possible answers A student...

Page 26: ...ise highlight QUIT and press n If your probability is required in a further calculation it can be stored to a variable Example If X has a normal distribution with mean 28 and standard deviation 1 7 fi...

Page 27: ...26 So 32 0 9907 P X 4 dp...

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