Logarithms 4+
Equations generator and solver
Francesco Grassi
Designed for iPad
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- Free
- Offers In-App Purchases
Screenshots
Description
• App to learn LOGARITHMS.
• The app creates equations and expressions and SHOWS THE COMPLETE SOLUTION !!!
• The expressions and equations are ALWAYS DIFFERENT (based on random numbers).
• An ideal tool for the study of mathematics in secondary schools and technical schools.
• It is also possible to learn the logarithm laws (simplify and expand expressions). Fundamental to be able to solve the equations.
• Includes a calculator for the calculation of logarithms to any base.
• Works 100% offline
• Also suitable for TEACHERS who need to build logarithmic equations as a task for students; it is possible to export LaTex code to create professional looking scripts (available as in-app purchase).
• 5 levels are available:
1) Simplify (Free)
2) Expand (Free)
3) Equations - Easy (Free)
4) Equations - Medium (in app purchase)
5) Equations - Difficult (in app purchase)
• Simplify: application of the rules on calculation of logarithms to compact expressions
e.g.: log (5) + log (4) - log (2) = log (5 * 4/2) = log (10)
• Expand: the opposite of simplify, e.g.: log (x * y/(2z)) = log (x * y) - log (2z) =
log (x) + log (y) - [log (2) + log (z)] = log (x) + log (y) - log (2) - log (z)
• Equations - Easy: equations that simply require the application of the definition of logarithm and application of calculation rules; are solvable in few steps and are an excellent starting point for more difficult equations.
• Equations - Medium: this level presents equations that require a higher number of steps to be resolved. By mastering this level you can achieve medium/good review.
• Equations - Hard: this is a level where logarithmic equations are presented that eventually leads to quadratic equations using a variable substitution, or are tricky. It also present some equations with logarithms to different bases and equations that require an excellent knowledge of the topic. By mastering this level excellent exam results are highly likely :-)
What’s New
Version 2.0
Minor bug fixes.
Ratings and Reviews
Wrong Solutions
Hey, Some of your solutions are wrong.
4^log(x-3)=4
Your solution shows
X-3=1
Where as it should show
log(x-3)=1
Because the exponents must be equal.
Multiple solutions are wrong. All using the same incorrect assumption.
Thx
Developer Response ,
Thank you very much for the helpful review, the problem has been corrected.
Great app for practicing math skills
I brushed up on my log knowledge. Great app for math students!
Sloppy
Many exercises contain duplicates of the correct answer and it’s a gamble if you pick the correct one. The same answer listed twice...but only one of them counts as correct.
App Privacy
The developer, Francesco Grassi, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.
Data Not Collected
The developer does not collect any data from this app.
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Information
- Seller
- Francesco Grassi
- Size
- 6.9 MB
- Category
- Education
- Compatibility
-
- iPhone
- Requires iOS 12.0 or later.
- iPad
- Requires iPadOS 12.0 or later.
- iPod touch
- Requires iOS 12.0 or later.
- Mac
- Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- Apple Vision
- Requires visionOS 1.0 or later.
- Languages
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English, Arabic, Danish, Dutch, French, German, Hindi, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Turkish
- Age Rating
- 4+
- Copyright
- © 2016 Francesco Grassi
- Price
- Free
- In-App Purchases
-
- Unlocks the Difficult Level $0.99
- Unlocks the Medium Level $0.99
- export LaTeX $1.99
Supports
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Game Center
Challenge friends and check leaderboards and achievements.