| Vývojář: | nummolt (36) | ||
| Cena: | $1.49 | ||
| Hodnocení: | 0 | ||
| Recenze: | 0 Napsat recenzi | ||
| Seznamy: | 0 + 0 | ||
| Body: | 0 + 0 ¡ | ||
| Body +1 | |||
Popis
Adding Apples and Oranges Version with 1 decimal
This new application is a basic tool to learn algebra.
Trying solving a system of linear equations with two equations and two unknown variables. (Two purchases)
Based on the same problem seen at the free "Adding Apples and Oranges." (https://play.google.com/store/apps/details?id=com.appleorange.addingapplesandoranges) where only used integers.
Now, this new program works externally with a decimal.
It contains:
. A button that generates new questions ("two new purchases of fruits").
. Two drop-downs to select a solution and a button to verify: The verification button checks the solution, and adds it to the list of the session.
You can edit the statements. The program checks if the determinant of the proposed statement is nonzero.
. The 5 tools to help resolve the problem:
* Tool 1: Gauss-Jordan elimination:
The two equations are represented as two purchases of fruits.
Contains tools to add one column to another, multiply, divide and change the sign for to get to have one apple on a side and and an orange at the other.
The result of the two additions are the values of apple and orange.
* Tool 2: Graphic:
Contains a graphic frame and 2 drop-downs to find the solution, using the method essay / error.
The problem posed is a linear system of equations, so the results must be ever into two lines that intersect.
To get the answer, one should find this point.
You can also click directly on the chart.
The graph is divided by the diagonal.
Below the diagonal, apple values are entered, for to get the values of the orange.
Above the diagonal, one enters the price of the orange.
The meeting point of the two lines is represented by a yellow dot.
* Tool 3: Two weighing scales:
Shows two weighing balances. On the left, due to its drop-down, which determines the value proposed for apples: results gives the price of oranges in terms of the two equations.
The right hand scale gives the results from the proposed price for oranges.
When a scale is balanced, gives the results of both the price of the apples and oranges.
* Tool 4: Cramer's rule:
This tool solves the problem at once.
Contrary to what happens in other tools, here we have to manually enter the data of the problem. The two equations (two purchases) are represented in horizontal rows.
If you have not entered data, the tool warns that you can not solve the problem.
It can also warn when the determinant is zero:
The determinant is zero when the two lines that we saw in the graphical tool, are not crossing. This happens when they are parallel. And the lines are parallel when a purchase (equation) is linear function of the other. (eg 1 A + 2 O= n1 and 2 A + 4 O = n2)
The program automatically never generates such problems.
* Tool 5: Inverse matrix:
The tool represents the terms of the equation automatically and in landscape format (each purchase is a row)
The resolution tool there are the terms of the two equations on the left and the identity matrix at right.
The objective is to calculate the inverse matrix.
This is achieved by operating the rows, until the data from the equations (on the left) become the identity matrix.
At this time to the right we have the inverse matrix.
The multiplication of the results vector by the inverse matrix gives the solution.
This program shows rounded numbers.
Internally works with all decimals needed.
If you try to do these calculations with a calculator, you'll see that this program displays the friendly face of algebra.
Mathforum MathTools Reference:
http://mathforum.org/mathtools/tool/219536/
Math 7: Linear relationships, Find slope, Slope-intercept form, Equation of the line, Rect coordinate geometry, First quadrant, Geometry in the plane
Algebra II: Solving systems of equations, Cramer's rule, Matrices, Elimination, Substitution
Nummolt apps: "Not Montessori per se, but Montessori-like"
Credits:
Feature graphic by: http://photo-lgz.blogspot.com/
Snímky obrazovky
Video
Cena
- Dnes: $1.49
- Minimální: Zdarma
- Maximální: $1.49
Sledovat ceny
Vývojář
- nummolt
- Platformy: Android Aplikace (35) Android Hry (1)
- Seznamy: 0 + 0
- Body: 0 + 241 ¡
- Hodnocení: 0
- Recenze: 0
- Slevy: 0
- Videa: 34
- RSS: Odebírat
Body
Nenalezeno ☹️
Hodnocení
Nenalezeno ☹️
Seznamy
Nenalezeno ☹️
Recenze
Buďte první, kdo bude hodnotit 🌟
Další informace
- Verze: 2.0.8
- ID: com.appleorange.firstdecimal
- Kategorie:
Android Aplikace›Vzdělávání - OS:
Android 4.0 a vyšší - Velikost:
14 Mb - Hodnocení obsahu:
Everyone - Google Play Hodnocení:
0 - Aktualizováno:
- Datum vydání:
https://nummolt.blogspot.com/2022/06/apples-and-oranges-1-decimal-google-play.htmlMohlo by se Vám také líbit
-
- Decimal to Fraction Calculator
- Android Aplikace: Vzdělávání Podle: CALCULATOR IO
- * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 1.0.0 Welcome to the Decimal to Fraction Calculator, your ultimate tool to simplify and streamline number conversions. Whether you're a student, teacher, engineer, or just someone who loves ... ⥯
-
- Apples & Bananas Kids App
- Android Aplikace: Vzdělávání Podle: USP Digital Private Limited
- * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 1.2.1 Apples & Bananas is a Kids Learning App, made by experts and loved by Parents & Kids all over the world. A&B is loaded with toddler games, interactive cartoons, fun kids songs, ... ⥯
-
- Decimal to Fraction Pro
- Android Aplikace: Vzdělávání Podle: GK Apps
- $1.49
- Seznamy: 1 + 0 Hodnocení: 0 Recenze: 0
- Body: 7 + 1,825 (4.2) Verze: 23.10 This app is the pro version of 'Decimal to Fraction'. Completely without advertisement! This mathematical app is able to convert decimal numbers into fractions. Very useful tool for ... ⥯
-
- Decimal to Fraction Calculator
- Android Aplikace: Vzdělávání Podle: Math Apps
- * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 69 (2.8) Verze: 1.4 This free mathematical calculator is able to convert decimal numbers into fractions. Enter Measurement Mode from the main menu to add and subtract measurement units (feet, inch, meter, ⥯
-
- Decimal Coaching
- Android Aplikace: Vzdělávání Podle: TestSeries Softwares
- Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 01.01.260 Presenting our "Decimal Coaching" App the go-to platform which helps you prepare and qualify for exams! Explore a comprehensive test series, navigate multiple exams using a ... ⥯
-
- Fraction Decimal Calculator
- Android Aplikace: Vzdělávání Podle: Pricereduc
- * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 363 (3.9) Verze: 1.6.5 This application is convenient and allows you to convert any Fractions to Decimal and any Decimal to Fractions but not only that, it has also a calculator included which is very useful ⥯
-
- Adding apples and oranges
- Android Aplikace: Vzdělávání Podle: nummolt
- Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 2.0.5 Educational app about adding apples and oranges. To calculate the value of an apple and an orange from 2 purchases. (Assuming that all apples are equal and that all oranges are equal) ... ⥯
-
- Multiplication tables & Apples
- Android Aplikace: Vzdělávání Podle: Magiwise
- $3.99
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 3.0 Master multiplication tables with the captivating app that turns learning into an interactive apple-filled adventure - Multiplication Tables & Apples! Unlock a world of interactive ... ⥯
-
- Binary decimal converter
- Android Aplikace: Vzdělávání Podle: ConnX
- Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 1.0 An educational app for computer science students and programmers to convert different number systems / bases (binary, decimal, octal, hex) to other number systems / bases (binary, ... ⥯
-
- Scientific calculator plus 991
- Android Aplikace: Vzdělávání Podle: Tools for student
- * * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 1 + 486,180 (4.9) Verze: 7.3.4.969 Scientific calculator 300 plus, 991 is the calculator for students and engineering student. Calculator 991 plus provides powerful functions in a real calculator 991 300 . It makes ... ⥯
-
- Number Base Converter Pro
- Android Aplikace: Vzdělávání Podle: Codify Apps
- * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 0 Verze: 1.0.2 Master number system conversions with Number Base Converter Pro! Whether you re a student, programmer, or engineer, this app simplifies the process of converting between Binary, ... ⥯
-
- Learn Fruits Vegetables
- Android Aplikace: Vzdělávání Podle: Muratos Games
- * * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 1,458 (4.2) Verze: 8.03 You will learn all fruits vegetables names with HD pictures and listen to pronunciation with spelling at first. Then, you can test vocabulary with several quiz games. Fruits, vegs ... ⥯
-
- Fractions: calculate & compare
- Android Aplikace: Vzdělávání Podle: UUCMobile
- * * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 65,478 (4.6) Verze: 2.33 Free offline fraction calculator , supporting also decimals, percentages, parentheses and powers. Shows a detailed solution for all calculations. At school or home need to solve simple ⥯
-
- Aptitude Test and Preparation
- Android Aplikace: Vzdělávání Podle: Nithra
- * * Zdarma
- Seznamy: 0 + 0 Hodnocení: 0 Recenze: 0
- Body: 0 + 56,652 (4.4) Verze: 7.10 'Aptitude Test and Preparation', Tricks & Practice - the best aptitude app with solutions and short tricks to enhance your aptitude skills and to sharpen your brain. This 'maths tricks ⥯