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DragginMath

Interactive Algebra

Games

Education

Puzzle

Strategy

⭐️5 / 5

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📼2 vids & 1 sc

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📦~ in 3 months

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All Versions of DragginMath

3.7

April 1, 2024

Screen layout problems on iPhones are now fixed.

3.6

March 24, 2024

See interesting new expansions of the Permute and Combine operators. More helpful interactions between sign and raise operators. More powerful Named Expressions.

3.5

March 7, 2024

Version 3.5 introduces the Antifactorial ¡ operator so you can solve equations involving factorials. Also, try the new Permute ⓟ and Combine ⓒ operators.

3.4

November 2, 2023

Some algebra problems need you to reverse a subtraction or invert a division to make the next step work easily. Flick down on these operators to make this happen in an algebraically safe manner. That pesky dash character (-) means three different things in traditional math notation, and different people have different ideas about how they should be handled. DragginMath now gives you options, so you can explore these issues.

3.3

March 11, 2023

Doing arithmetic is simpler in this release: just double-tap the root node of a subexpression to evaluate. The old way of doing it (drag down into Green Mode) provided a feature no one uses. Green Mode still works for now, but will be delete from a future version. Sometimes you need to invent a term inside an equation. For example, you might need to add 1 to make something work. Of course, this means you must subtract 1 someplace else to keep everything in balance. So flick right where you need this new term to appear, then enter what you need to invent and click the new relationship. Give it a try!

3.2

December 2, 2022

DragginMath's input notation for logarithms has been improved, along with some bug fixes.

3.1.1

November 2, 2022

Solving equations in DragginMath has always been easy: drag operands up onto the equal sign. For example, to solve x+3=y for x, drag 3 up onto = to see x=y-3. But some teachers think this is too helpful. At the very beginning of algebra instruction, it might be better to show x+3-3=y-3, then leave the user to clean up the +3-3. Version 3.1 has a new Solve switch. Choose Solve Full for the classic DragginMath behavior that cleans up for you, doing more with less work. Or chose Solve Part to see and understand all the details when you're just getting started. Sometimes you discover your current expression needs to be included within some larger expression. So tap the top text to start a new expression, then enter empty parentheses ( ) to insert a copy of the previous expression into the new expression. No more retyping! Transform equations using a new feature that looks suspiciously like the Distributive Property, but for operators over relations. For example, if you have the equation y=mx+b and you need to multiply both sides by 3, then add 1 to both sides, enter 3*(y=mx+b)+1. Now drag = up onto +. See the result 3y+1=3(mx+b)+1. Works for all operators over all relations, not just =. New layout parameters allow you to work on problems almost twice as large.

3.0.1

August 1, 2022

DragginMath 3.0 is mostly about an improved user interface. It looks a little different: our homegrown math font was replaced with a standard math font. The app's behavior is not affected by this visual change. Touching any part of an algebraic picture highlights the corresponding symbols in the algebraic text. Any part of the algebraic picture can now be compressed into a traditional line of symbols by flicking up on it. Then flick down to convert it back into picture. Left-handed users finally get some respect: choose a left-handed screen layout if you prefer that. DragginMath has always had different screen layouts for iPad and iPhone. iPad Mini now uses the iPhone layout. And, of course, improvements to the algebra.

3.0

July 31, 2022

DragginMath 3.0 is mostly about an improved user interface. It looks a little different: our homegrown math font was replaced with a standard math font. The app's behavior is not affected by this visual change. Touching any part of an algebraic operator tree highlights the corresponding symbols in the algebraic text. Any part of an operator tree can now be compressed into a traditional line of symbols by flicking up on it. Then flick down to convert it back into an operator tree. Left-handed users finally get some respect: choose a deliberately left-handed screen layout if you prefer that. DragginMath has always had different screen layouts for iPad and iPhone. iPad Mini now uses the iPhone layout. And, of course, improvements to the algebra.

2.4

December 29, 2021

Better visualization of expression parsing. More logarithmic transformations.

Description of DragginMath

DragginMath is a new way to teach, learn, and do algebra. This app converts equations into interactive pictures. Get serious about math: turn equations into playthings! Yes, it's fun, but this is definitely not a toy. See the internal structure of equations. Then commute, associate, distribute, factor, simplify, and solve by dragging math under your fingertips. This is real algebra, not something that sort of looks like it. Not a function-graphing app. Not restricted to a few limited examples or prepared problem sets. This app can do an astonishing amount of symbolic math, but it is aimed at the algebraic novice. Do you or your students need help understanding the order of operations? Unsure what the various algebraic properties are or how to use them? Is solving an equation just some arcane mystery? DragginMath lets you see and experiment with symbolic math concepts. You still have to direct the work yourself, but without burning through erasers or reams of paper, and without needing someone to check your work. DragginMath is not curriculum. It is a tool, and it is curriculum-independent. If your textbook has expressions and equations in it, DragginMath can help you teach it, or learn it. You might even enjoy doing it. Are you a teacher? Create animated lessons just by using the app as you normally would. Add annotations and homework problems, then email them to your class within the app. Students watch your lessons, do their homework, and email it back to you within the app. Returned homework is formatted for easy management.

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