Calculator Texas Instruments TI-30XS Multiview User Manual. Scientific calculator (44 pages) Calculator Texas Instruments MultiView TI-30XS Quick Start Manual. Using to create function tables and to play the function game (2 pages) Calculator Texas Instruments MultiView TI-30XS Quick Start Manual. (5 pages) TI-30xa What is the label on the "shift" key(s) yellow-shift: 2nd Where is the shift key? top left Scientific notation; entering. Identify the key used to enter the exponent. (It is usually EE or EXP, or similar.) This is a quick tutorial on how to do basic exponents or powers including square roots, cube roots and others, on the Texas Instruments TI-30Xa calculator.Co...TI 30X IIS vs TI 30Xa. TI 30X IIS and TI 30Xa are two scientific calculators from Texas Instrument. These calculators are popular and easy to use as well as very affordable. Considering the price, you will get more than enough with either of them. Go check our article below if you want to know which is better between these best buys.The Texas Instruments TI-30XA scientific calculator can do this for you. It is extremely handy when it comes to figuring tricky fractions. It can add, subtract, multiply, and divide fractions when entered in a traditional numerator/denominator format. This calculator can also do a variety of conversions, from fractions to decimals, degrees to ... Jul 20, 2014 · TI models: Press [SCI/ENG]. The display shows FLO SCI ENG. Use the left arrow key to select FLO. Then press [=]. On other TI models, press [2nd] [FLO].The display switches to decimal notation. Casio models: Press [SHIFT] [MODE] [6:Fix]. You are then prompted to enter a number between 0 and 9. The number you enter fixes the number of decimal ... Ans. Ans is retained in memory, even after the TI-30X Ö is turned off. To recall the value of Ans: ƒ Press % i (Ans displays on the screen), or ƒ Press any operations key (T, U, F, etc.) as the first part of an entry. Ans and the operator are both displayed. Order of Operations The TI-30X Ö uses EOSØ (Equation Operating System) to evaluate ... Texas Instruments TI-30XA Texas Instruments - Editorial Reviews (1) Add editorial review. www.reviewstream.com. Review: Texas Instruments TI-30XA Scientific Calculator. I just recently bought this calculator for a chemistry course about a year ago, and it has been incredibly easy to use.Find the two notches at the top of the calculator. Insert a flat-head screwdriver into one of the notches and carefully pry open the top end of the case. Locate where the case is still attached at the sides. Insert the flat-head screwdriver into one side where the gap has widened. Now gently pry apart the sides of the case.Aug 17, 2018 · A quick tutorial on how to find roots or radicals, including square and cube roots on the Texas Instruments TI-03Xa Scientific Calculator.0:00 Intro0:18 Butt... Jul 22, 2021 · Basic Arithmetic Enter the first number then press the “+”, “-“, “x” or “/” (division), depending on the operation. Enter the next number and then the “=” to complete the operation. Because the TI-30Xa performs mathematical operations in the order of parenthesis, exponents, multiplication/division and addition/subtraction ... used to get the second (or third) function for a specific key. If there are two shift keys, you can list both. TI-30xa What is the label on the shift key(s) yellow shift: 2nd Where is the shift key? top left Scientific notation; In. Identify the key that is used to specify the exponent. (It's usually EE or EXP, or similar.)How to put exponents on a ti-30xa Step 3 Find the two notches at the top of the calculator. Insert a flat-head screwdriver into one of the notches and carefully pry open the top end of the case. Locate where the case is still attached at the sides. Insert the flat-head screwdriver into one side where the gap has widened.TI-30Xa Calculator - Fractions and Decimals Worksheet and Key. This Fractions and Decimals Worksheet (with complete Key) gives students practice to become fluent and efficient using their calculator. Students get 30 fractions to 1) enter correctly and 2) change the format. Students also get 20 fractions problems involving addition, subtraction ...TI 30X IIS vs TI 30Xa. TI 30X IIS and TI 30Xa are two scientific calculators from Texas Instrument. These calculators are popular and easy to use as well as very affordable. Considering the price, you will get more than enough with either of them. Go check our article below if you want to know which is better between these best buys.Independent work by students - no prep needed by teacher. Just print a copy of the tutorial and worksheet for each student and watch them learn how to use their calculators well. This step by step Exponents and Roots Tutorial, with images of the calculator and the relevant keys, guides students to i... 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 press !. Note: Always press! to clear the ... The TI-30Xa is a scientific calculator made by Texas Instruments. This single-line calculator contains three memory stores labeled “M1,” “M2” and “M3.”. Storing numbers in memory makes working with the same few numbers easier, letting you quickly pull a stored number back up for use. Step 3 – The TI-30Xa is really a scientific ...To calculate logarithms with a base different than 10, you may use the following workaround: 1) Input [160] Press [LOG]. 2) Press [÷]. 3) Input [4] Press [LOG]. 4) Press [=] to complete the calculation. The calculator will display 3.6609. Please see the Scientific Model family guidebooks for additional information.The Texas Instruments TI-30Xa is a scientific calculator that features 10 digits for precise calculations. Designed with portability in mind, its compact form factor makes it ideal for pocket storage. Powered by a battery, this calculator is always ready for use without the need for an external power source.Mastering the calculator using the Texas TI-30XIIB and TI-30XIIS 11 4. Powers 4.1 Squaring and higher powers 62 means 6 × 6. You can use the square key to do this calculation. (It is shown on the photograph of your calculator here.) Press the display should read 36. Or you can use the power key on your calculator.To input an exponent using the TI-30X IIS/B, TI-34 II Explorer Plus, TI-30XS MultiView, and TI-34 MultiView, use the carat [^] key. For TI-30X IIS/B, TI-34 II Explorer Plus, and TI-30XS MultiView users, the carat key is located below the [p] key. For TI-34 MultiView users, the carat key is located below the [x 2] key. For example: 3 4 = ? Feb 9, 2018 · This is a quick tutorial on how to do basic exponents or powers including square roots, cube roots and others, on the Texas Instruments TI-30Xa calculator.Co... A quick tutorial on how to solve logs and LN natural log of any base on the Texas Instruments TI-30Xa Scientific CalculatorHopefully youve found somethin. 1 Enter 5 and press 2nd LOG 10 x is labeled above it. That is enter 1000 LOG. ƒ To turn off the TI-30Xa Solar cover the solar panel with the slide case. Insert a flat-head screwdriver into ... Reset your calculator to eliminate the syntax error messageThe Orion TI-30XS MultiView™ Talking Scientific Calculator is referred to as the Orion TI-30XS. In order to make this document accessible for all users, we indicate keys on the TI-30XS portion of the calculator with a bold font. For visual and audio clarification purposes, we also use brackets around the words or symbols for aDec 8, 2018 · Reset your calculator to eliminate the syntax error message Press the "Log" button on your calculator. The number you immediately see is the exponent for the original number you entered. Assuming the base number is 10 (which it will always be on a graphing or scientific calculator), you have to multiply 10 by itself the number of times you see onscreen to reach your original number. Check your work.On most calculators, you enter the base, press the exponent key and enter the exponent. Here’s an example: Enter 10, press the exponent key, then press 5 and enter. (10^5=) The calculator should display the number 100,000, because that’s equal to 105. How do you use a TI 30Xa?How to put exponents on a ti-30xa Step 3 Find the two notches at the top of the calculator. Insert a flat-head screwdriver into one of the notches and carefully pry open the top end of the case. Locate where the case is still attached at the sides. Insert the flat-head screwdriver into one side where the gap has widened. The Orion TI-30XS MultiView™ Talking Scientific Calculator is referred to as the Orion TI-30XS. In order to make this document accessible for all users, we indicate keys on the TI-30XS portion of the calculator with a bold font. For visual and audio clarification purposes, we also use brackets around the words or symbols for aThis key is for the exponent function (exponents over 2). The second function of this key is for roots over 2. The answer for square roots will be displayed as a whole number or a simplified root. The answer for roots over 2 will be displayed as a whole number or a decimal. Example of a simplified root: Example: TI-30Xa: Exponents (Powers) and Exponentials. Calculator Expert. 37.7K subscribers. 157K views 8 years ago. In this short video I will show you how you can access the exponents and exponential...To input an exponent using the TI-30X IIS/B, TI-34 II Explorer Plus, TI-30XS MultiView, and TI-34 MultiView, use the carat [^] key. For TI-30X IIS/B, TI-34 II Explorer Plus, and TI-30XS MultiView users, the carat key is located below the [p] key. For TI-34 MultiView users, the carat key is located below the [x 2] key. For example: 3 4 = ?th. Birthday of the TI-30. The TI-30 was introduced June 13, 1976 together with the SR-40 and the financial calculator Business Analyst . With a SRP of $24.95 compared to the $49.95 of a fully equipped SR-40 the TI-30 was a great success. Probably the best selling calculator ever. Today, 25 years later we still use our modern, two-line TI-30X IIS.The TI-30XA is an inexpensive scientific calculator approved for use on SAT and ACT tests, two of the most common college entrance exams, and on Advanced Placement exams. You may not take your own calculator to these exams, so become familiar beforehand with specific capabilities and limitations of the TI-30XA calculator handed out with the test. TI-30Xa Calculator - Fractions and Decimals Worksheet and Key. by. Real-Life Mathematics. $2.00. PDF. This Fractions and Decimals Worksheet (with complete Key) gives students practice to become fluent and efficient using their calculator. Students get 30 fractions to 1) enter correctly and 2) change the format.Independent work by students - no prep needed by teacher. Just print a copy of the tutorial and worksheet for each student and watch them learn how to use their calculators well. This step by step Exponents and Roots Tutorial, with images of the calculator and the relevant keys, guides students to i...In the MathPrint™ mode, you can enter up to four levels of consecutive nested functions and expressions, which include fractions, square roots, exponents with ^, xÑ, and x When you calculate an entry on the Home screen, depending upon space, the answer is displayed either directly to the right of the entry or on the right side of the next line. This video tutorial will show you how to enter exponents in the TI-30XS Multiview CalculatorApr 28, 2022 · Copy. First, type the number to be put to a negative power. Then, press the exponent button. Then, press the open parenthesis button. Now press the change-sign button. Then, press the number that is the opposite of the number the first number was to be put to the power of. Now, press the close parenthesis button. Now, press enter. Aug 3, 2021 · The TI-30Xa is a scientific calculator made by Texas Instruments. This single-line calculator contains three memory stores labeled “M1,” “M2” and “M3.”. Storing numbers in memory makes working with the same few numbers easier, letting you quickly pull a stored number back up for use. Step 3 – The TI-30Xa is really a scientific ... Jul 22, 2021 · Basic Arithmetic Enter the first number then press the “+”, “-“, “x” or “/” (division), depending on the operation. Enter the next number and then the “=” to complete the operation. Because the TI-30Xa performs mathematical operations in the order of parenthesis, exponents, multiplication/division and addition/subtraction ... Scientific notation and display settingAug 12, 2014 · For a TI-30 calculator: Take for example the number 1.52 x 105. To type this number as it is in scientific notation, first type in 1.52. Next press the [2nd] key and then the key that has EE printed above it (it's the x-1 key). The EE means " x 10 to the power of". After you press the [EE] key, type in the exponent 5. First, press the number you want to take the factorial of, press the “x!” key, and finally press the “=” key to evaluate it. Finding the “x!” key on your calculator will be the most challenging part of the operation. In some cases, the key is found on a secondary or tertiary function, with the symbol above the button you need to ...Jul 22, 2021 · Basic Arithmetic Enter the first number then press the “+”, “-“, “x” or “/” (division), depending on the operation. Enter the next number and then the “=” to complete the operation. Because the TI-30Xa performs mathematical operations in the order of parenthesis, exponents, multiplication/division and addition/subtraction ... A quick tutorial on how to do exponents or powers on the Texas Instruments TI-30X iis scientific calculator. This video covers square, cube, fraction and negative exponents.A reciprocal is a special power; it's a number raised to the -1 power. It's also what you get by swapping the numerator and denominator. There is a special key for reciprocals. It's the x-1 key. So let's find the reciprocal of 5. We press 5 x-1 = , and we get an answer of 0.2. There is also a special key for taking a square root. A quick tutorial on how to find statistics from a data set including mean and standard deviation on the Texas Instruments TI-30X iis Scientific CalculatorCon...Jul 22, 2021 · Basic Arithmetic Enter the first number then press the “+”, “-“, “x” or “/” (division), depending on the operation. Enter the next number and then the “=” to complete the operation. Because the TI-30Xa performs mathematical operations in the order of parenthesis, exponents, multiplication/division and addition/subtraction ... Fraction features. Conversions. Basic scientific and trigonometric functions. Edit, cut and paste entries. Solar and battery powered. One- and two-variable statistics. Ideal for general math, pre-algebra, algebra I and II, geometry, statistics and general science. Exam acceptance. The TI-30XIIS™ scientific calculator is approved for use on ...Calculator giving incorrect answers... It's a TI-30Xa bought brand new as part of a set for my Chemistry class. I checked the modes and it's set to degrees, so I don't think its a setting issue. Sometimes it's right: 1+1=2, 2X2=4, 4+4=8, 8X8=64. When multiplying two digit numbers it seems to move the decimal point to the left one place: 11X5=5. ...TI-30Xa Calculator - Fractions and Decimals Worksheet and Key. This Fractions and Decimals Worksheet (with complete Key) gives students practice to become fluent and efficient using their calculator. Students get 30 fractions to 1) enter correctly and 2) change the format. Students also get 20 fractions problems involving addition, subtraction ...This is a quick tutorial on how to do basic exponents or powers including square roots, cube roots and others, on the Texas Instruments TI-30Xa calculator.Co...How to work with numbers in scientific notation with the TI-30XA calculator. Demonstrates how to toggle back-and-forth between standard/normal/floating notat...Find the two notches at the top of the calculator. Insert a flat-head screwdriver into one of the notches and carefully pry open the top end of the case. Locate where the case is still attached at the sides. Insert the flat-head screwdriver into one side where the gap has widened. Now gently pry apart the sides of the case. Ans 0.000316 or 3.16 x 10-4 2. If the [H+] = 3.16 x 10-4 and you are asked to find the pH (this is calculating a -LOG). The TI-30Xa and Casio fx-250HC are the same except where indicated. Enter 3.16 ( the 3 significant digits of the [H+] ) a. on the TI press EE key b. How to work with numbers in scientific notation with the TI-30XS calculator. Demonstrates how to toggle back-and-forth between standard/normal/floating notat...Dec 19, 2011 · How to work with numbers in scientific notation with the TI-30XA calculator. Demonstrates how to toggle back-and-forth between standard/normal/floating notat... Oct 11, 2018 · A quick tutorial on how to find statistics from a data set including mean and standard deviation on the Texas Instruments TI-30X iis Scientific CalculatorCon... The TI-30XA is an inexpensive scientific calculator approved for use on SAT and ACT tests, two of the most common college entrance exams, and on Advanced Placement exams. You may not take your own calculator to these exams, so become familiar beforehand with specific capabilities and limitations of the TI-30XA calculator handed out with the test. The Texas Instruments TI-30XA scientific calculator can do this for you. It is extremely handy when it comes to figuring tricky fractions. It can add, subtract, multiply, and divide fractions when entered in a traditional numerator/denominator format. This calculator can also do a variety of conversions, from fractions to decimals, degrees to ... This video shows how to enter Powers or Scientific Notation into the TI-30XA Calculator. Example of Powers 4^6 , Scientific Notation 3.45 x 10^4Accepted for use in SAT, ACT and AP exams, this Texas Instruments TI-30Xa scientific calculator is an ideal option for junior high and high school students. Scientific calculator with 10-digit one-line LCD display. Perfect choice for general math, algebra 1 and 2, pre-algebra, general science. Calculator works from one LR44/76A battery.A quick tutorial on how to find roots or radicals, including square and cube roots on the Texas Instruments TI-03Xa Scientific Calculator.0:00 Intro0:18 Butt...Mar 18, 2016 · This video will show you how to calculate positive, negative & fraction exponents using your Texas Instrument TI-30X IIS. It will also show you how to conve... used to get the second (or third) function for a specific key. If there are two shift keys, you can list both. TI-30xa What is the label on the shift key(s) yellow shift: 2nd Where is the shift key? top left Scientific notation; In. Identify the key that is used to specify the exponent. (It's usually EE or EXP, or similar.) A quick tutorial on how to find statistics from a data set including mean and standard deviation on the Texas Instruments TI-30X iis Scientific CalculatorCon...Jul 21, 2017 · Press the "Log" button on your calculator. The number you immediately see is the exponent for the original number you entered. Assuming the base number is 10 (which it will always be on a graphing or scientific calculator), you have to multiply 10 by itself the number of times you see onscreen to reach your original number. Check your work. Each section is followed by instructions for keystroke examples that demonstrate the TI-30XS MultiView™ and TI-30XB MultiView functions. All references in this manual will refer to the TI-30XS MultiView, but are also applicable for the TI-30XB MultiView. Examples assume all default settings, as shown in the Modes section.The Texas Instruments TI-30Xa is a scientific calculator that features 10 digits for precise calculations. Designed with portability in mind, its compact form factor makes it ideal for pocket storage. Powered by a battery, this calculator is always ready for use without the need for an external power source. This key is for the exponent function (exponents over 2). The second function of this key is for roots over 2. The answer for square roots will be displayed as a whole number or a simplified root. The answer for roots over 2 will be displayed as a whole number or a decimal. Example of a simplified root: Example:Overview The TI-30Xa is Texas Instruments’ most basic scientific calculator. This calculator does all that a classic scientific calculator does and not much more. This Calculator is meant for elementary and possibly middle school science and math classes but not much more. It also may be perfect for anyone who wan’s a calculator for their….Oct 11, 2018 · A quick tutorial on how to find statistics from a data set including mean and standard deviation on the Texas Instruments TI-30X iis Scientific CalculatorCon... TI-30xa What is the label on the "shift" key(s) yellow-shift: 2nd Where is the shift key? top left Scientific notation; entering. Identify the key used to enter the exponent. (It is usually EE or EXP, or similar.) Key features. One-line, 10-digit display. Fraction features. One-variable statistics. Conversions. Basic scientific and trigonometric functions. Ideal for general math, pre-algebra, algebra I and II and general science. Exam acceptance. The TI-30Xa scientific calculator is approved for use on SAT ®, ACT ® and AP ® exams.TI-30X IIB / TI-30X IIS Quick Reference Guide TI-30X Plus MultiView™ Guidebook TI-30X Pro MathPrint™ Guidebook 1.0 TI-30X Pro MultiView™ Guidebook TI-30Xa / TI-30Xa Solar Guidebook TI-30Xa / TI-30Xa Solar School Edition Guidebook TI-30XS / TI-30XB MultiView™ GuidebookTI-30Xa Calculator - Fractions and Decimals Worksheet and Key. by. Real-Life Mathematics. $2.00. PDF. This Fractions and Decimals Worksheet (with complete Key) gives students practice to become fluent and efficient using their calculator. Students get 30 fractions to 1) enter correctly and 2) change the format.Suppose you want the value y x. On most calculators, you enter the base, press the exponent key and enter the exponent. Here's an example: Enter 10, press the exponent key, then press 5 and enter. (10^5=) The calculator should display the number 100,000, because that's equal to 10 5. Before you start making a list of calculations, however, you ...Key features. One-line, 10-digit display. Fraction features. One-variable statistics. Conversions. Basic scientific and trigonometric functions. Ideal for general math, pre-algebra, algebra I and II and general science. Exam acceptance. The TI-30Xa scientific calculator is approved for use on SAT ®, ACT ® and AP ® exams.This key is for the exponent function (exponents over 2). The second function of this key is for roots over 2. The answer for square roots will be displayed as a whole number or a simplified root. The answer for roots over 2 will be displayed as a whole number or a decimal. Example of a simplified root: Example:used to get the second (or third) function for a specific key. If there are two shift keys, you can list both. TI-30xa What is the label on the shift key(s) yellow shift: 2nd Where is the shift key? top left Scientific notation; In. Identify the key that is used to specify the exponent. (It's usually EE or EXP, or similar.) A quick tutorial on how to find statistics from a data set including mean and standard deviation on the Texas Instruments TI-30X iis Scientific CalculatorCon...Mastering the calculator using the Texas TI-30XIIB and TI-30XIIS 11 4. Powers 4.1 Squaring and higher powers 62 means 6 × 6. You can use the square key to do this calculation. (It is shown on the photograph of your calculator here.) Press the display should read 36. Or you can use the power key on your calculator.The TI-30X IIS/B and TI-34 II Explorer Plus do not have the functionality for solving equations. The variables on these calculators are solely for memory purposes. However, users can incorporate the variables into algebra by storing a value to the variable and using that variable to solve the expression.Ans 0.000316 or 3.16 x 10-4 2. If the [H+] = 3.16 x 10-4 and you are asked to find the pH (this is calculating a -LOG). The TI-30Xa and Casio fx-250HC are the same except where indicated. Enter 3.16 ( the 3 significant digits of the [H+] ) a. on the TI press EE key b.
A reciprocal is a special power; it's a number raised to the -1 power. It's also what you get by swapping the numerator and denominator. There is a special key for reciprocals. It's the x-1 key. So let's find the reciprocal of 5. We press 5 x-1 = , and we get an answer of 0.2. There is also a special key for taking a square root.. Jeta
The Texas Instruments TI-30Xa is a scientific calculator that features 10 digits for precise calculations. Designed with portability in mind, its compact form factor makes it ideal for pocket storage. Powered by a battery, this calculator is always ready for use without the need for an external power source. This is a quick tutorial on how to do basic exponents or powers including square roots, cube roots and others, on the Texas Instruments TI-30Xa calculator.Co...TI-30xa What is the label on the "shift" key(s) yellow-shift: 2nd Where is the shift key? top left Scientific notation; entering. Identify the key used to enter the exponent. (It is usually EE or EXP, or similar.)In the MathPrint™ mode, you can enter up to four levels of consecutive nested functions and expressions, which include fractions, square roots, exponents with ^, xÑ, and x When you calculate an entry on the Home screen, depending upon space, the answer is displayed either directly to the right of the entry or on the right side of the next line. This video tutorial will show you how to enter exponents in the TI-30XS Multiview CalculatorTI-30XA Calculator Tips Calculator Memory - To use the memory function, hit the STO key to store a number in either memory 1, 2, or 3. o To store the product of , hit STO ; you will now have stored in memory 1 (M1) o To recall the value that is being stored in memory 1 (M1), use the RCL button. RCL 1 Overview The TI-30Xa is Texas Instruments’ most basic scientific calculator. This calculator does all that a classic scientific calculator does and not much more. This Calculator is meant for elementary and possibly middle school science and math classes but not much more. It also may be perfect for anyone who wan’s a calculator for their….Each section is followed by instructions for keystroke examples that demonstrate the TI-30XS MultiView™ and TI-30XB MultiView functions. All references in this manual will refer to the TI-30XS MultiView, but are also applicable for the TI-30XB MultiView. Examples assume all default settings, as shown in the Modes section.Key features. One-line, 10-digit display. Fraction features. One-variable statistics. Conversions. Basic scientific and trigonometric functions. Ideal for general math, pre-algebra, algebra I and II and general science. Exam acceptance. The TI-30Xa scientific calculator is approved for use on SAT ®, ACT ® and AP ® exams.How to enter numbers in scientific notation on your calculator and do basic calculations with those numbers.Jul 22, 2021 · Basic Arithmetic Enter the first number then press the “+”, “-“, “x” or “/” (division), depending on the operation. Enter the next number and then the “=” to complete the operation. Because the TI-30Xa performs mathematical operations in the order of parenthesis, exponents, multiplication/division and addition/subtraction ... To calculate logarithms with a base different than 10, you may use the following workaround: 1) Input [160] Press [LOG]. 2) Press [÷]. 3) Input [4] Press [LOG]. 4) Press [=] to complete the calculation. The calculator will display 3.6609. Please see the Scientific Model family guidebooks for additional information. Calculator giving incorrect answers... It's a TI-30Xa bought brand new as part of a set for my Chemistry class. I checked the modes and it's set to degrees, so I don't think its a setting issue. Sometimes it's right: 1+1=2, 2X2=4, 4+4=8, 8X8=64. When multiplying two digit numbers it seems to move the decimal point to the left one place: 11X5=5. ...TI-30Xa calculatorTI-30Xa Calculator - Fractions and Decimals Worksheet and Key. This Fractions and Decimals Worksheet (with complete Key) gives students practice to become fluent and efficient using their calculator. Students get 30 fractions to 1) enter correctly and 2) change the format. Students also get 20 fractions problems involving addition, subtraction ...Aug 3, 2021 · The TI-30Xa is a scientific calculator made by Texas Instruments. This single-line calculator contains three memory stores labeled “M1,” “M2” and “M3.”. Storing numbers in memory makes working with the same few numbers easier, letting you quickly pull a stored number back up for use. Step 3 – The TI-30Xa is really a scientific ... .