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?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.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. Sep 20, 2022 · 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? 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 ... 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 ... 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 ...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. 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. $\endgroup$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 ...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 ...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. 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 ...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. 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™ GuidebookMastering 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.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:Jul 23, 2018 · This video tutorial will show you how to enter exponents in the TI-30XS Multiview Calculator 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.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)Jul 24, 2021 · 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…. Enter the base of the term on the right side of the equation then press "LOG." Write down the value. For example, for the equation 3^ (2x+1) = 15, enter "3" then "LOG" into the TI-30X. Enter the value of the log of the non-exponential term into the calculator, press "÷", then enter the value of the log of the exponential term.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 ...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. 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 [=]. I can use either a Ti-30Xa calculator or the iphone calculator for a exam. I just need to know how to put a number to a certain exponent on them. For example: 0.693^-0.28891, how can I type that in in one of my devices? 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: 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 TI-30Xa Calculator: Using numbers in exponential notation Robert Gist 20 subscribers Subscribe 3 Share 377 views 1 year ago COLORADO SPRINGS How to enter and use numbers in exponential...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™ GuidebookThe 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 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.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 ƒ To turn on the TI-30Xa Solar, expose the solar panel to light and press !. Note: Always press! to clear 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 press !. Note: Always press! to clear the ... 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...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?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. Jul 27, 2021 · One of the many functions of the calculator is solving logarithmic equations of both base 10 and natural logs of base e. Enter the base of the term on the left side of the equation then press “LOG. ” Write the value down. For example, for the equation 3^ (2x+1) = 15, enter “15” then “LOG” into the TI-30X. Enter the base of the term ... 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?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.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 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 [=]. The TI-36X Solar calculates up to 12 digits and 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.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. 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.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 ... exponents for scientific notation. For a TI-83/84 To ensure that the number you type in remains in scientific notation, press the mode key and highlight SCI on the top line. If you keep it in NORMAL mode, the number will be expanded when you press the enter key. Lets use the same example as the TI-30, #1.52# x #10^5#. Type in the 1.52.Rounding and Decimals Tutorial for your TI-30Xa Calculator. Created by. Real-Life Mathematics. 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 Rounding and Decimals Tutorial, with images of the ...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 1TI-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.)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.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 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.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 ...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 4TI-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.) I can use either a Ti-30Xa calculator or the iphone calculator for a exam. I just need to know how to put a number to a certain exponent on them. For example: 0.693^-0.28891, how can I type that in in one of my devices?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 aApr 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. Jul 24, 2021 · 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…. 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 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. 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.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 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 I can use either a Ti-30Xa calculator or the iphone calculator for a exam. I just need to know how to put a number to a certain exponent on them. For example: 0.693^-0.28891, how can I type that in in one of my devices? 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 ...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. 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. 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 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.How to enter numbers in scientific notation on your calculator and do basic calculations with those numbers.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] [+/-] [=].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 ...Rounding and Decimals Tutorial for your TI-30Xa Calculator. Created by. Real-Life Mathematics. 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 Rounding and Decimals Tutorial, with images of the ...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 ... 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 ... 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.If your exponent is negative, press the (-) key before entering the number. Don't use the * key or ^ or enter a 10. If you have a Casio or Sharp calculator, the button actually says EXP on it so you don't need to do 2 & 3 above. For the TI-30Xa you don’t need to press the 2nd key – just look for the EE button above the 7. TI-30xa; What is the label on the key for entering exponents? EE Where is that key? middle When entering a number that starts with 1x in scientific notation, do you need to enter the 1? (e.g., 1x10 12) yes What is the key for making an exponent negative? +(arrows)- Where is that key? bottom rightSep 20, 2022 · 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 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. 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.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 ...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-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.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 ƒ To turn on the TI-30Xa Solar, expose the solar panel to light and press !. Note: Always press! to clear the ... 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: 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.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 ...exponents for scientific notation. For a TI-83/84 To ensure that the number you type in remains in scientific notation, press the mode key and highlight SCI on the top line. If you keep it in NORMAL mode, the number will be expanded when you press the enter key. Lets use the same example as the TI-30, #1.52# x #10^5#. Type in the 1.52.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..