Solving Math 4+

Several math topics are combined into one app. Choose a topic and enter your values to get the results with all solution steps.


[ Topics ]
- calculation of linear equations
- simplification of fractions
- Pythagorean theorem
- calculating the solution of quadratic formulas by the PQ formula
- binomial formula to calculate perfect trinomials
- scientific factoring quadratic trinomials with endless solutions
- rule of proportion
- percentage calculation
- factoring quadratic trinomials by the AC method
- finding x of a mathematical term
- basic operations of mathmatical fractions
- calculation of all quantities of a circle and a sphere
- calculation of all quantities of a right triangle
- calculation of all quantities of an isosceles triangle
- calculation of all quantities of a pyramid
- unit circle with graphics and charts
- calculation of all quantities of an arbitrary triangle
- sine, cosine, tangent and its characteristics
- advanced exponentiation
- simple power and root calculation
- simple logarithm
- logarithmic identities and rules
- power and logarithmic function and its characteristics
- exponential growth and decay by the basic growth function
- calculation of all quantities of a circular cone
- calculation of all quantities of a frustum of a pyramid
- calculation of all quantities of a frustum of a cone
- binomial coefficient and n-factorial
- Bernoulli experiment with expected value, variance and standard deviation
- Bernoulli process, histogram, distribution function chart and probability tree (tree chart)
- binomial distribution, success probability and complementary probability
- mean, the empirical variance or the expected value, the variance with standard deviation of dataset with probabilities
- combinatorics with permutation, variation, and combination
- hypothesis test type 1 error, level of significance and acceptance/rejection range
- more will come ...


[ Contents ]
- overview of all topics
- some topics contain different modes which can be selected
- the missing value will be calculated
- results are calculated and shown in detail
- some topics contain an infographic to give a deeper insight into the topic
- some topics contain a graph of your function
- history function to save the input
- detailed solution
- depending on the topic, negative values, decimal numbers, fractions and π are supported
- no ads!


[ Usage ]
- there are fields for entering values using a special keyboard
- press the check mark button at the bottom right to start the calculation
- if values are missing, the relevant field is highlighted in yellow
- if the values are wrong, the affected field will be highlighted in red
- the entries in the history can be deleted or sorted
- if you select an entry in the history, it will be automatically loaded for the calculation
- the whole history can be deleted by pressing a button
- solutions can be shared
- touching the question mark button displays information about the topic


[ Pricing ]
This app provides 5 free calculations to test the app. This cannot be reset.
When free use has expired, you have the option to subscribe to the app or purchase it for a one-time fee.

To subscribe or make a purchase, you must provide payment information in your Apple ID.

To cancel a subscription, do the following:
1. Open the Settings app on your device
2. Touch your name
3. Go to Subscriptions
4. Cancel the subscription

Information about refunding a purchase can be found here:
https://support.apple.com/en-us/HT204084


We are using the standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/