![]() This algorithm follows the divide and rule methodology, where it divides the set equally at each step of iteration and searches for the item. We want to search for the number 18 from the data array. Moreover, every algorithm has different efficiency in terms of its time complexity. There are different algorithms for searching an item in an array list, e.g., bubble sort, quick sort, merge sort, binary sort, etc. Time complexity describes the amount of time an algorithm will take to execute. This efficiency is calculated technically by the time complexity. ![]() In computer science, every algorithm has its efficiency measured in how fast it fetches the result or gives an output. The solution labeled with I has a pH value equal to 7. ![]() Using the formula in other cells, we have, =IF(-(LOG(B4*POWER(10,-6),10))7,”Alkaline”,”Water”))+Ĭomputing the value of Log of concentration * Power(10,-6) since the unit used is µmol/liter and checking, using the IF function if the value is greater than, less than, or equal to 7. So, the LOG in Excel to find the nature of the solution. Since the given hydrogen concentration is in a unit of µmol/liter, the value will be X*10 -6 So, to find the acidic and basic nature of the solution, we will use the LOG in Excel and check if the logarithmic value is less than, greater than, or equal to 7. If pH is less than 7, it is an acidic solution if a pH is greater than 7, it is a basic(alkaline) solution, and when pH is 7, it is neutral, which is neither acidic nor basic like water. The acidic and the basic nature of a chemical solution are measured by its pH value, which is calculated by the formula: We want to find which solution is acidic, alkaline, or water. We are provided with the ion concentration in µ mol/liter in the Excel sheet in column B. ![]() Suppose we have samples of solutions labeled with alphabets A, B, C….L. If we have the values of A and A0, we can easily calculate the magnitude of the earthquake in Excel by the LOG formula: When A is the measurement of the amplitude of an earthquake wave, and A0 is the smallest amplitude recorded of seismic activity. For example, the magnitude of an Earthquake is calculated as the logarithm of the amplitude of the seismic waves generated.Ī LOG formula represents the magnitude of an earthquake: First, the logarithm helps to solve real-world problems. We can use the LOG function in Excel in many ways. The output of the POWER function is passed as the first argument to the LOG function in Excel, and it further computes the result. If we nest this formula of the POWER function inside the LOG function in Excel, providing the base as 4, we will get the exponent, which is passed as a second argument in the POWER function. read more, we would write it as POWER(4,5) = 1024. To use this function you can use the keyword =POWER( in a cell and provide two arguments one as number and another as power. LOG in Excel Example #1įor example, 4 5 = 1024, using the POWER function POWER Function POWER function calculates the power of a given number or base. So, inversely, the LOG function in Excel returns the power (exponent) to which the base is raised. The POWER function returns the result of a number raised to a power. read more in the data increases or decreases quickly. For example, logarithmic functions are used for graphical representation when the data rate of change Rate Of Change Rate of change (ROC) defines the percentage change of a variable like securities over a certain time with respect to its original value. read more and plotting graphs for data representation. In business analytics, LOG in Excel is often used with other tools for regression analysis Regression Analysis Regression analysis depicts how dependent variables will change when one or more independent variables change due to factors, and it is used to analyze the relationship between dependent and independent variables. ![]() The logarithmic function is used for mathematical operations and is widely used in financial statistics Widely Used In Financial Statistics Statistics is the science behind identifying, collecting, organizing and summarizing, analyzing, interpreting, and finally, presenting such data, either qualitative or quantitative, which helps make better and effective decisions with relevance. #HOW TO MAKE A LOGARITHMIC GRAPH IN EXCEL FOR MAC DOWNLOAD#You can download this LOG Function Excel Template here – LOG Function Excel Template ![]()
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