Scientific notation and display settingA 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 ... Though as I noted in another comment the TI-83 calculator (quite recent) still uses BCD. When I wrote my own arbitrary precision library I used base $10^9$, which is sort of decimal haha, but of course I used the internal binary integer and floating point to manipulate the digits. $\endgroup$The "X" in all current TI-30 models refers to the addition of a 10+2 display (that is, a 10 digit mantissa plus a 2-digit exponent) in 1993; with the addition of a 2-line display and a D-pad in the XIIS/XIIB in 1999, the TI-30 line split in 2, with the TI-30Xa becoming TI's overall entry-level scientific, and the enhanced XII designs offering ...TI-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 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 ...This video will give you a complete overview of all of the functions that the Texas Instruments TI-30XA scientific calculator has to offer: from statistics ...TI-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 1The 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 ...The TI-30 is sold in three different models, including the TI-30Xa, the TI-30X IIS and the TI-30XS Multiview. The TI-30 calculator line is ideal for advanced scientific calculations, particularly if you are a student. All of the TI-30 calculators provide a function to calculate the natural log of whatever number you enter into the calculator.2nd, X-1, then just the exponent (include the negative sign, if present) SCI/ENG o To change that scientific notation to a “regular” number, press 2nd , DRG , and to FLO , = , =. (FLO – floating decimal) o To multiply or divide in scientific notation, enter the first item as scientificTI-84 models find square roots using a second function key. The square root function key is located above the x -squared (x 2) key. To access the square root function, press the second function key (2nd) in the upper left corner of the key pad. Then press the x 2 key and input the value to be evaluated. Press Enter to calculate the square root.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 ...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 ... Jun 17, 2015 · 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... 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.Scientific notation and display setting 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 ...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 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.) 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.Aug 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. 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. Apr 28, 2022 · How do you enter an exponent on a Texas instruments ti-83 calculator? Enter your expression, then press the ^ key, then your exponent. If you exponent is an expression encase it in perentheses ()Ex.3x5x+2Press 3 x ^ (5x+2) The example below will demonstrate how to input exponents on the TI-30Xa, TI-30Xa Solar, or TI-36X Solar: Example: Raise 5 to the 3rd power. 1) Press the [ON/AC] key to completely clear the calculator. 2) Input [5]. 3) Press the [y to the x] key (located just above the division key). 4) Input [3]. 5) Press [=]. Apr 24, 2017 · Press the "On/c" button to clear the calculator. Enter a figure and then hit the "X" key followed by another figure and then the "2nd" key to work out a percentage. This sum will multiply the first figure by the second to two decimal points. Entering "200 X 5 "2nd" and then "=" would give you 5 percent of 200, or 10, for example. Scientific notation and display setting 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.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 = ? 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. This video will give you a complete overview of all of the functions that the Texas Instruments TI-30XA scientific calculator has to offer: from statistics ...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... Dec 8, 2018 · Reset your calculator to eliminate the syntax error message Apr 25, 2017 · Logarithmic Functions. Enter the log number then "LOG" to get the logarithm of the number. Enter the number and then "LN" for the natural log of a number. The TI-30Xa does not allow for logarithms with bases other than 10 or the natural number e. Enter the exponent, "2nd" and "10^x" to calculate an exponential multiple of 10. 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.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.Jul 23, 2018 · This video tutorial will show you how to enter exponents in the TI-30XS Multiview Calculator It will adjust the exponent for you. o To do factorials, enter the number, then press PRB . How do you do 6.02 x10 23 on a calculator? type in the significant figures, 6.02. hit the 2nd key (top left) hit the EE button (above the #7, also X-1) type in the exponent, 23. Can TI 30x IIS do exponents?The 2nd Function Key. You’ll seldom employ some of the 30XA’s more esoteric functions when taking the college entrance and Advanced Placement tests. One key function that you may not be familiar with, however, is essential for successful completion of the test. This is the yellow [2nd function] key at the upper left-hand corner of the keyboard.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. 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. 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 = ?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 ... 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. ...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 10^4Apr 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. 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 10^4 This video will give you a complete overview of all of the functions that the Texas Instruments TI-30XA scientific calculator has to offer: from statistics ...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.TI-84 models find square roots using a second function key. The square root function key is located above the x -squared (x 2) key. To access the square root function, press the second function key (2nd) in the upper left corner of the key pad. Then press the x 2 key and input the value to be evaluated. Press Enter to calculate the square root.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 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.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 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 ... Apr 24, 2017 · The TI-30 is sold in three different models, including the TI-30Xa, the TI-30X IIS and the TI-30XS Multiview. The TI-30 calculator line is ideal for advanced scientific calculations, particularly if you are a student. All of the TI-30 calculators provide a function to calculate the natural log of whatever number you enter into the calculator. Press the "On/c" button to clear the calculator. Enter a figure and then hit the "X" key followed by another figure and then the "2nd" key to work out a percentage. This sum will multiply the first figure by the second to two decimal points. Entering "200 X 5 "2nd" and then "=" would give you 5 percent of 200, or 10, for example.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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.Dec 8, 2018 · Reset your calculator to eliminate the syntax error message LOG) TI-30Xa and Casio fx-250HC are the same for all these operations. Enter 3.16 (3 digits meaning of key [H+] ) Press X (time key) Type 10 Press xy key (can be labeled as yx key, or xy or yx. This allows you to set the next number entered as an exponent of 10) Type 4 (this is a negative exponent of Apr 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. Accepted 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. 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... 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 ... 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 TI-30Xa is one of the best calculators for 8 th graders. It performs many functions such as trigonometric functions, powers, factorials, reciprocals, and much more. The calculator is powered by a battery for your ease and convenience. The calculator is ideal for primary and advanced math, which is why you can also use the calculator as you ...Aug 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. 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. Aug 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. 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.Print the tutorial, hand it to students and watch them be able to …. 1. Calculate the square and square root of all numbers. 2. Calculate any higher power than 2 of any number. 3. Calculate any root other than the square root of any number. 4. Do complex computations with all exponents and roots using their calculator. Mar 13, 2018 · 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 ... LOG) TI-30Xa and Casio fx-250HC are the same for all these operations. Enter 3.16 (3 digits meaning of key [H+] ) Press X (time key) Type 10 Press xy key (can be labeled as yx key, or xy or yx. This allows you to set the next number entered as an exponent of 10) Type 4 (this is a negative exponent ofScientific notation and display setting This video will give you a complete overview of all of the functions that the Texas Instruments TI-30XA scientific calculator has to offer: from statistics ...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...This video tutorial will show you how to enter exponents in the TI-30XS Multiview CalculatorIn 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.Apr 28, 2022 · How do you enter an exponent on a Texas instruments ti-83 calculator? Enter your expression, then press the ^ key, then your exponent. If you exponent is an expression encase it in perentheses ()Ex.3x5x+2Press 3 x ^ (5x+2) TI-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 Oct 2, 2021 · MEMORIES: 1 DISPLAY: 12 LEDs KEYBOARD: 31 buttons SWITCHES: Top Right On/Off BATTERIES: 3-AA NiCads PHYSICAL: 5.8" x 3.2" x 1.3" WEIGHT: 8.25 ounces PRODUCTION: Introduced on August 1, 1975 COST: $49.95 INFO: o Possibly the last TI slide rule calculator that did not have trig functions. SR-20 AC only version of the SR-22 SR-20 was a slightly ... 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 ...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.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.Two keys can be used to enter negative exponents on the TI-30Xa scientific calculator; the [y^x] key or the [EE] key. The [y^x] key is used for all exponents while the [EE] key is used for scientific notation only. The examples below will demonstrate how to use both keys: For Example: Entering 7^-2. 1) Press [7] [y^x] [2] [+/-] [=].Scientific notation and display setting 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. Apr 25, 2017 · Logarithmic Functions. Enter the log number then "LOG" to get the logarithm of the number. Enter the number and then "LN" for the natural log of a number. The TI-30Xa does not allow for logarithms with bases other than 10 or the natural number e. Enter the exponent, "2nd" and "10^x" to calculate an exponential multiple of 10.
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.... Casey o
It will adjust the exponent for you. o To do factorials, enter the number, then press PRB . How do you do 6.02 x10 23 on a calculator? type in the significant figures, 6.02. hit the 2nd key (top left) hit the EE button (above the #7, also X-1) type in the exponent, 23. Can TI 30x IIS do exponents?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.Jun 17, 2015 · 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... 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.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...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 calculator because memory and display may contain incorrect numbers. ¦ To turn off the TI-30Xa Solar, cover the solar panel with the slide ; Texas Instruments TI30XA | User Manual - Page 4 MEMORIES: 1 DISPLAY: 12 LEDs KEYBOARD: 31 buttons SWITCHES: Top Right On/Off BATTERIES: 3-AA NiCads PHYSICAL: 5.8" x 3.2" x 1.3" WEIGHT: 8.25 ounces PRODUCTION: Introduced on August 1, 1975 COST: $49.95 INFO: o Possibly the last TI slide rule calculator that did not have trig functions. SR-20 AC only version of the SR-22 SR-20 was a slightly ...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. TI-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 1Ans. 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 ... TL;DR (Too Long; Didn't Read) Enter the base number, and then press the carat or ^ symbol (located along the left edge of the keyboard), followed by the exponent. Enter the base number for your exponent. For example, if the exponential expression in question is 5 3, the base number is 5. Press the carat or ^ symbol, which is located along the ...LOG) TI-30Xa and Casio fx-250HC are the same for all these operations. Enter 3.16 (3 digits meaning of key [H+] ) Press X (time key) Type 10 Press xy key (can be labeled as yx key, or xy or yx. This allows you to set the next number entered as an exponent of 10) Type 4 (this is a negative exponent of .