Log calculator

Log CalculatorThe Logarithm calculator is used to calculate the exponent to which the base must be raised to determine the final result. For example 32 = 9 means that 2 is the exponent to which base 3 must be raised creating the answer as 9. The log calculator has a single text field and options of performing the calculation. In the first selection, you can determine the e notation, or the value of the base used in calculating the logarithm.The first step of using the Log Calculator is to select the base in the options provided. It can either be 2, e or 10. Enter the value to the right of the ‘Log’ box. If you fail to choose any of the base numbers then the default will be selected as ‘e’. After filling the text field and choosing your options, click the ‘Calculate’ button. It is used to execute the conversion after the values have been entered in the text fields.The log calculator also has the ‘Reset’ button which is used to clear the previous calculations from all the text fields or choices. It is the fastest way of resetting the calculator when you want to calculate new values. The results will be displayed at the bottom platform of the calculator below the two controls.For example;What is the logarithm of 24 to the base of 10?Answer = 1.3802112417To get the result, you will first select the base 10 in the options provided by the log calculator. Enter the value

For the natural logarithm. In short, the origin of this notation seems somewhat obscure, perhaps even unknown — which is unusual for such a recent invention. Why is the natural log so special? The base of the natural log is the number e, which is approximately equal to 2.71828. This number arises naturally in many areas of math and the sciences, just as π arises naturally in geometry and trigonometry. The natural log and natural exponential are crucially important in calculus. There is something about the universe that makes the existence of e and π unavoidable. And e carries the seeds of the natural log within it, making its discovery inevitable. You can't do geometry without π; you can't do the sciences without e and the natural log. When you're doing simplification or evaluation of logs without a calculator, you will be expected to know that a log with no base written is the common (that is, the base-10) log, and that ln indicates the natural (that is, the base-e) log. Simplify log(100). There is no base displayed on this log, so it is the common, or base-10, log. Setting the given log expression equal to a variable, I get: log(100) = y 10y = 100 = 102 Then my hand-in answer is: log(100) = 2 To do this in your calculator, plug "log(100)" into your calculator — using the log key, not the ln key — and you'll get the same answer. Simplify log(98). Round your answer to two decimal places. Unfortunately, the number 98 is not a nice neat power of 10 the way that 100 was. So I cannot be clever with exponents to arrive at an exact answer. Instead, on this exercise, I am stuck with using my calculator to get an approximate value. So I'll plug this into my calculator, remembering to use the log key (not the ln key). Plugging into the software, I get a value of log(98) = 1.99122607569..., or, rounded to two decimal places: log(98) = 1.99 Simplify ln(e4.5) I remember that the ln( ) notation means that the base of

Calculator Use This calculator will solve for the exponent n in the exponential equation xn = y, stated x raised to the nth power equals y. Enter x and y and this calculator will solve for the exponent n using log(). Since taking the log() of negative numbers causes calculation errors they are not allowed. How to solve for exponents For xn = y; solve for n by taking the log of both sides of the equation: For: \( x^n = y \) Take the log of both sides: \( \log_{}x^n = \log_{}y \) By identity we get: \( n \cdot \log_{}x = \log_{}y \) Dividing both sides by log x: \( n = \dfrac{\log_{}y}{\log_{}x} \) Find the exponent of a number For the equation 3n = 81 where 3 is called the base and n is called the exponent, find the value of the exponent n using logarithms. For: \( 3^n = 81 \) Take the log of both sides: \( \log_{}3^n = \log_{}81 \) By identity we get: \( n \cdot \log_{}3 = \log_{}81 \) Dividing both sides by log 3: \( n = \dfrac{\log_{}81}{\log_{}3} \) Using a calculator we can find that log 81 ≈ 1.9085 and log 3 ≈ 0.4771 then our equation becomes: \( n = \dfrac{\log_{}81}{\log_{}3} \approx \dfrac{1.9085}{0.4771} \approx 4 \) Checking our answer 34 = 81. Since taking the log() of negative numbers, 0 or 1 causes calculation errors we have provided some answers by definition and not actual calculations.

4.26 1,901 reviews 500,000+ Downloads Free Calculate timber volume, create timber log and share it... About Timberlog - Timber calculator Timberlog - Timber calculator is a tools app developedby Bojan Zalar. The APK has been available since August 2017. In the last 30 days, the app was downloaded about 8.9 thousand times. It's ranked in the top 500. It's rated 4.26 out of 5 stars, based on 1.9 thousand ratings. The last update of the app was on March 11, 2025. Timberlog - Timber calculator has a content rating "Everyone". Timberlog - Timber calculator has an APK download size of 14.38 MB and the latest version available is 7.6.22. Designed for Android version 5.0+. Timberlog - Timber calculator is FREE to download. Description Calculate timber volume in cubic metre, cubic foot volume (CFT), or board feet (CBF). Compute round timber volume from a diameter or circumference and length. Key features:- effective and intuitive round wood and sawn wood volume calculator- calculation standard used for timber cubage calculation (log scaling methods): * cylindrical Huber formula * firewood estimation * standing tree volume calculation by Noonan (Kershaw) * Doyle Log Rule * Scribner Decimal C Log Rule * International 1/4" Log Rule * Ontario Scaler’s Rule * Roy Log Rule * Hoppus Rule (Quarter Girth Formula) * GOST 2708-75 * ISO 4480-83 * ČSN/STN 48 0009 * NF B53-020 * JAS Scale (Japanese Agricultural Standard) * A. Nilson * Lokal Java- estimate the total net stack volume of measured timber (sawlogs)- bark thickness entry- mark each piece with wood species, timber quality, assortiment, id number (barcode)- specify prices for wood species and quality, and VAT value- calculate the average price per volume- calculate the average diameter- calculate wood weight- estimate the quantity/surface of boards, planks, or wood beams from sawing a round timber- add tags and comments to timber items- simple one hand fast and easy user-friendly data entry- simply add or remove one tree to log list- add multiple items of the same size to timber log list (by holding down an Add button)- enter items by voice using a speech recognition system- good visibility in strong light- large buttons and numbers on the display- save/load timber lists for further editing- append header info (customer, company, notes) to timber log list- direct printing form an app- print on Bluetooth ESC/POS portable thermal printers on-siteTimberlog is a forestry tool to assist in estimating lumber harvest, log measurement, pulpwood logging. It can be used by the forester, logger and others from forestry industry and sawmills.Chainsaws owners might find this footage calculator app very useful. Logging and harvesting with tractors and skidders using this app can be more effective and productive.App icon was designed by Špela Bečaj.Recent changes:Supported Android 15">Show more More data about Timberlog - Timber calculator Price Free to download Total downloads 670 thousand Recent downloads 8.9 thousand Rating 4.26 based on 1.9 thousand ratings Ranking Medium ranked Version 7.6.22 APK size 14.4 MB Number of libraries 17 Designed for Android 5.0+

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The log is the natural exponential, e, so this is the natural log. The base e of the natural log is not a nice neat whole number. Pretty much any time I'm given a natural log to evaluate, I'm gonna have to get a decimal approximation from my calculator. I can't do anything clever to get an exact answer. But this is a special case, because the argument of the log includes the natural exponential. The Relationship says that: ln(e4.5) = y e y = e4.5 y = 4.5 So this is one of those faux-cancellation exercises, and my hand-in answer is: ln(e4.5) = 4.5 Plug "ln(e4.5)" into your calculator, and you'll get the same answer. Just make sure you put parentheses around the argument, e4.5, so the calculator knows that the exponent is inside the log. Evaluate ln(2) accurate to two decimal places. Since 2 is a nice neat whole number and since e isn't, then it is unlikely that 2 is a nice neat power of e. (It isn't.) So I can't simplify this expression by being clever with exponents. Instead, I'll have to evaluate this in my calculator, getting an approximate answer of ln(2) = 0.69314718056..., or, rounded to two decimal places: ln(2) = 0.69 The graph of a logarithm looks similar to that of a square root. square-root function log function The square-root graph stops at the point (0, 0); the logarithm's graph does not pass through the origin, nor does it ever reach the y-axis. Instead, the log graph passes through the point (1, 0) (on the x-axis) and then continues down along the right-hand (that is, the positive) side of the y-axis. Since the log function is the inverse of the exponential function, the graph of the log is the flip of the graph of the exponential: The exponential rides along the top of the x-axis, crosses the y-axis at the point (0, 1), and then shoots up. The logarithm rides up the right side of the y-axis, crosses the x-axis at the point (1, 0), and then shoots right. (For more information, review