Questions tagged [math]

Presenting numbers/information to make mental calculations as efficient, pleasant or accurate as possible.

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2answers
99 views

Which cursor is Appropriate for kids math educational application?

There are some boxes on my app screens where users (kids) should type numbers in them by keyboard. Which cursor along with transition effect should we use to kids understand that they should type in ...
1
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1answer
140 views

Defining piecewise constant functions in a GUI

I was posting my question on StackOverflow (https://stackoverflow.com/questions/44927697/defining-piecewise-constant-functions-in-a-gui?noredirect=1#comment76852785_44927697) a couple of days ago, ...
4
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2answers
359 views

Accepted color or treatment for negative numbers?

As most people know, red is a color used in many apps to display negative numbers, specially in financials. I also remember old calculators with paper rolls having that color by default for ...
2
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3answers
144 views

How can I summarize the contents of a mathematical matrix in a single text field?

Here's a question that pertains to UI design, but for an application geared at a more technical audience. In my application, users can assign an object properties of several types. These types ...
0
votes
1answer
71 views

Math 2D graphs: best way of graphically (black and white or using colors) representing overlapping curves

what's the best way to represent multiple 2D Cartesian-style graphs drawn in the same Caryesian plane and having zero or more possibly intersecting parts of intersection length 0 to open or closed k ...
0
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1answer
78 views

Displaying an input field for building lengthy equations

In the application I am designing, there is a requirement to allow the user to build an equation by hitting buttons, depicting operators and variables. This equation builder must be displayed within a ...
3
votes
3answers
1k views

Are mathematical symbols easier to understand than text?

I'm creating a dialog and presenting a list of mathematical comparison options to choose from. e.g. [attribute] [>] [value] I'm wondering if there's any research as to whether it's more intuitive to ...
-1
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2answers
51 views

Order of operations in custom expressions

In our system users can define behaviour based on condition expressions: {{shippingCosts}} + {{numBooks}} * {{bookPrice}} To most people this means (a + b) * c but to others this means a + (b * c). ...
0
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3answers
115 views

Probabilities: Fractional Odds, Decimal Odds or Percentages?

There are at least 3 ways to express the probability of an event occurring: fractional odds, e.g. '5-to-2' or '5/2' or '5:2', decimal odds, e.g. '2.5', and percentages, e.g. '29%'. In the UK, it is ...
6
votes
4answers
322 views

Color-coding percentages, how should I interpret a result of 0/0 (as 0% or as 100%)?

I am making a report that requires me to display some calculations as a percentage. Basically, I'm doing a database query for records matching a specific ID. The number returned becomes my denominator ...
13
votes
5answers
2k views

Display percentage increase/decrease as 110% or +10%?

Our interface is using a slider which allows users to alter a price from a preset recommended price. Alongside this we are showing the recommended price, the new altered price and, by request of the ...
13
votes
7answers
669 views

Greater Than > or Plus +

I want to convey a requirement that has a minimum but no maximum to my users. For instance 8. Which is more understandable? Participants: >8 or Participants: 8+ ? From layouts point of view >8 is ...