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I enjoy the ease of completing the forms, printing and saving the documents. I expected to be billed at the 65% off rate for one time use, annually, but somehow was charged the $72.00 annual renewable rate. I will now have the inconvenience of having to cancel the subscription, since this is the last time I need to perform this function.
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The billing is bogus and felt dishonest, but customer service fixed my problems after an email. These save well as pdfs but not as docs. I think the service should be less expensive, given apps with similar functionality.
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Keep Formula Log: Simplify Your Data Tracking

The Keep Formula Log feature helps you track your data efficiently. It provides an organized way to manage formulas and their results, making your life easier. Whether you are a student, a professional, or anyone who deals with formulas, this tool brings clarity to your calculations.

Key Features

Seamless formula tracking
User-friendly interface
Instant access to past calculations
Option to categorize entries
Export capabilities for easy sharing

Potential Use Cases and Benefits

Students can use it for tracking math problems and solutions
Professionals can streamline their work by logging critical equations
Researchers can document their data analyses effectively
Teachers can assist students in understanding complex formulas
Anyone can maintain organized records of their calculations

By using Keep Formula Log, you tackle the challenge of keeping your formulas organized and accessible. You save time and reduce errors as all your calculations are in one place. This feature allows you to focus on your work, leaving the hassle of tracking behind.

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To convert a number from a natural to a common log, use the equation, LN(x) = log(x) ÷ log(2.71828).
Convert Natural Log to Common Log Divide the common log of the number by the common log of e, 0.43429, to find the natural logarithm via the common log. In this example, LN(24) = 1.3802 ÷ 0.43429 = 3.17805.
Usually log(x) means the base 10 logarithms. It can, also be written as log10(x). Log10(x) tells you what power you must raise 10 to obtain the number x. 10x is its inverse. Ln(x) means the base e logarithm. It can, also be written as loge(x).
To change from exponential form to logarithmic form, identify the base of the exponential equation and move the base to the other side of the equal sign and add the word log. Do not move anything but the base, the other numbers or variables will not change sides.
0:06 2:58 Suggested clip Converting Between Exponential and Natural Logarithmic Form YouTubeStart of suggested client of suggested clip Converting Between Exponential and Natural Logarithmic Form
When we take the logarithm of both sides of ELN(XY)=ELN(x)+LN(y), we obtain LN(ELN(XY))=LN(ELN(x)+LN(y)). The logarithms and exponential cancel each other out (equation (4)), giving our product rule for logarithms, LN(XY)=LN(x)+LN(y).
The logarithm of the ratio of two quantities is the logarithm of the numerator minus the logarithm of the denominator. Rule 3: Power Rule. The logarithm of an exponential number is the exponent times the logarithm of the base. Rule 4: Zero Rule. The logarithm of 1 such that b > 0 b > 0 b>0 but b1 equals zero.

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