Name: Mathematical Playground Lite Hack 2.1.2 + Redeem Codes
Rating: 4 (3 reviews)

Screenshots

Description

This is an educational app that is useful for exploring three dimensional shapes.
Have you ever had difficulty drawing three dimensional shapes? This app may help you study about shapes.

Since this app is the lite version, less features are available than the full-version.
But all shapes are available. And you can cut, expand shapes, and also receive shape data from the full-version of this app.

--- This app runs on…

[iPhone]
iPhone 4s or newer.

[iPad]
iPad 2, iPad 3rd generation or newer, iPad mini series, iPad Air series, iPad Pro series.

[iPod touch]
iPod touch (5th generation or newer).

[OS]
iOS12.0 or elder.

Version history

2.1.2

2023-01-02

•Improved visibility of the connect screen to make it easier to use.
•Fixed a bug that sometimes disabled taps after using the calculator.
•Other minor bug fixes.

2.1.1

2022-03-30

•Fixed the bug that the Draw-Outline switch was not work correctly

2.1.0

2022-03-28

** Fixed Bugs
•Fixed the serious bug that the cut-point won't be updated it's position when the camera angle changed.
•Fixed multiple bugs created in the previous version up.

** New Features / Improvements
•Added the Outline-ON/OFF button that switches the outline displayed / hidden.
•Added the Label-ON/OFF button that switches the labels displayed / hidden.

2.0.10

2021-03-02

Support for iOS14. Now you can share shape-data in iOS14.

Graphics library which this app is using is changed to Metal from OpenGL ES,
by which this app no longer draw outlines while you are changing camera angle / position.

Fixed some bugs that results in improving app's stability.
#2.0.9 released on Mar.1 2021 had a problem with shape data sharing. This has been fixed in this release.

2.0.9

2021-02-28

2.0.8

2020-04-21

•Fixed the problem that layout was broken on some device models.
In the previous version upgrade, we made a bug in some part of the app's code.
We apologize for any inconvenience caused.

2.0.7

2020-04-16

* Support iOS 13.
* Fixed some bugs.

2.0.6

2019-11-24

In Japanese environment, we correct an image of advertisement shown at the start of the app.

2.0.5

2019-11-18

You can swith overlaying the before-cut-shape on the selected shape by Two-Finger-Tap.

2.0.4

2019-09-25

•Several bug fixes ( including crush problems )

2.0.3

2019-05-06

*We add a new shape: Cuboid.
*We implemented a new function: Undo (on cutting a shape)

** Bug Fixes
We fixed a bug that sometimes the app crushes when you cut a shape.

2.0.2

2019-02-25

•Fixed some bugs:
-Sometimes app fails to cut a shape.
-After you cut a shape, some faces are duplicated. So you could not get correct net of the shape.

2.0.1

2018-11-18

We fixed the following bugs:
*Sometimes app fails to cut a shape.
*Problems that cause application being down.

2.0

2018-09-09

•Added approximation of round column and cone.(Expanding them is not available for lite edition)
•Adjust the rendering engine
•Cut points hidden in the shadow can not be touched
•Minor bug fixes

1.2.5

2018-06-03

•Fixed some bugs.

1.2.4

2018-05-11

We fixed the following bugs:
•Some bugs left in the guidance.
•The guidance of calc-gadget does not start.

1.2.3

2018-04-24

•Bug fix: We fixed some bugs caused by the base-plane is hidden.

1.2.2

2018-04-08

** Regular-octahedron and some options added! **

•Added one new shape: regular-octahedron.
•Support for Multitasking: Split-View mode.
•We added 2 options to:
(1) hide the base-plane that lied under shapes.
(2) disable panning(dragging) touch.
Notice that now you can access options from the work screen.

1.2.1

2017-12-04

•Support for iPhoneX.

1.2

2017-09-24

[Improved features]
•Support for iOS11.
•Minor improvements.

[Fixed / Improved Bugs]
•Fixed minor bugs.

[For iOS8 users]
This app doesn't support for iOS8 from this version.
Please update to the latest iOS as soon as possible.

1.1

2017-06-14

IMPORTANT: Please update by the end of June, otherwise the app of old version will no longer work. This is because our developer account must be updated once a year. And the old account as well as old apps will be invalidated.
[ Improvements ]
- App icon has been changed.
- Viewpoint: By touching with couple of fingers, you can swap angle-mode and position-mode temporally when you drag the screen.

- Renaming a point: You can rename a point by double-tapping the label of it.

- Locating a cut-point: You can locate cut-points along both multiple of 0.5cm and a quarter length of a side.

- Other minor improvements.

[ Bug fix ]
- Locating a cut-point: We fixed the bug that you couldn't put cut-points along multiple of 0.5cm although the side's length is multiple of 1.0cm.

- Sharing shape's data: Fixed a bug that data sharing can not be performed between the following models and other models.

iPhone series: 4s, 5, 5c.
iPad series: 2, 3rd gen., 4th gen.
iPad mini: iPad mini.
iPod series: 5th gen.

- Other minor bug fixes.

[ Notice ]
Along with bug fixes, the app will go down if you try to read the data saved in Version 1.3 on the following models.

iPhone series: 4s, 5, 5c.
iPad series: 2, 3rd gen., 4th gen.
iPad mini: iPad mini.
iPod series: 5th gen.

1.0

2017-05-12