Texas Instruments MathPrint TI-30X Plus, Quick Manual

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...