Customize Calculator vs. Dozecal Utilizzo e statistiche
Optimized to multitasking function of iOS.You can easy to call this app in a "Split View" or "Slide Over".
The screen layout will change automatically according to the portrait or landscape mode on your iPad and iPhone and the big buttons fitted to the size and mode of display are easy to view for the user.
Try to create your own calculator suitable for your tastes by using abundant setting well.
FEATURES :
Calculation :
- Two Calculation method : functional or sequential
- Three rounding mode : rounding , up or cut
- Number of digits after the decimal point : free , zero , one , two , three or four
- Angle unit : degree or radian
Appearance :
- Color or Wallpaper : Set the wallpaper with a photograph or a camera, or select a background color
- Number Format : Select a digit grouping and decimal point from among the 8 types including India format
- Sound of buttons : Select the button sound from nine timbres or turn off
Result:
- Character color：Freely set color by the slider
- Background color：Freely set color and opacity by the slider
- Expression color：Freely set color or hide by the slider
Button :
- Shape : Square , Round Square , Circle , Diamond , Heart or Cogwheel
- Size : Large , Medium or Small
- Dimensions : Flat , Solid or Outline
- Character color：Freely set color by the slider
- Background color：Freely set color and opacity by the slider
- Position : The position of buttons are freely changed
- Function button : Three function buttons can be changed, thease button is include Grand total, Rand, Sine,1/x, Route, etc...
History :
- Equals : Over write last result or Add the result the history
- Vertical (portrait) mode : Indication Left , Hidden or Indication Right
- Horizontal (landscape) mode : Indication place Left or Right
- character color：Freely set color by the slider
- background color：Freely set color and opacity by the slider
- Expression color：Freely set color or hide by the slider
SUPPORTS :
Non retina and Retina display on iPhone, iPad and iPod Touch.
iPhone 8, iPhone SE, iPad Air 2, iPad Pro and iPad mini 4 , iPod touch 7gen and later.
iOS 14.0 and later.
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Dozecal is an educational RPN* calculator to promote the use of Base Twelve in math and science.
The usual math functions are available in both DUODECIMAL and DECIMAL modes.
Conversion is automatically made when switching from one mode to the other one.
Trigonometric operations uses DEGREE as unit of measure.
For more information about Base 12, please visit the Dozenal Society of America.
* RPN : the Dozecalc calculator uses the Reverse Polish Notation (RPN). This notation seems complex but has many advantages over algebraic notation and is more intuitive once you have understood the idea.
The calculator has a stack and any operation that requires two numbers is using the bottom stack layers (X and Y). Key ENTER to push the stack up and separate one number from the next. To perform arithmetic, key in the first number, press ENTER to separate the first number from the second, then key in the second number and then select and operator such as the numerical functions +, -, * or /. The result appears immediately after you press the numerical function key. The operator is keyed in only after both operands are in the stack.
Example: calculate 3 + 4
Key sequence: 3 ENTER 4 +
Result: 7
The result of any operation may itself become an operand. You do not need to press enter again to use the result. The "7" is already entered.
Example: add 2 to the previous result
Key sequence: 2 +
Result: 9
Example: calculate 5 * (3 + 4)
Key sequence: 3 ENTER 4 + 5 *
Alternate key sequence: 5 ENTER 3 ENTER 4 + *
Disclaimer: results and precision may occasionally be incorrect. Should you report them at johan@unumdesignum.com, and the author will be happy to fix !
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Customize Calculator VS. 
Dozecalgennaio 12, 2026