Dozecal

Duodecimal calculator

Veröffentlicht von: Johan Kovacs

Beschreibung

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 [email protected], and the author will be happy to fix !
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  • Ist Dozecal kostenlos?

    Ja, Dozecal ist komplett kostenlos und enthält keine In-App-Käufe oder Abonnements.

  • Ist Dozecal seriös?

    Nicht genügend Bewertungen, um eine zuverlässige Einschätzung vorzunehmen. Die App benötigt mehr Nutzerfeedback.

    Danke für die Stimme

  • Wie viel kostet Dozecal?

    Dozecal ist kostenlos.

  • Wie hoch ist der Umsatz von Dozecal?

    Um geschätzte Einnahmen der Dozecal-App und weitere AppStore-Einblicke zu erhalten, können Sie sich bei der AppTail Mobile Analytics Platform anmelden.

Benutzerbewertung

5 von 5

1 Bewertungen in Italien

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Dozecal Bewertungen

Va migliorato

Henryfound on

Italien

Non funziona come dovrebbe: se devo fare per esempio 5 + 8 anziché cliccare 5, poi + e poi 8 devo fare 5, poi Enter, poi 8 e poi +. Un'altra cosa che si dovrebbe fare è aggiungere il punto e virgola anche con i numeri interi, così non si crea ambiguità con la base 10. Inoltre anziché la E è meglio Ɛ, oppure si possono usare A e B. La E infatti significa 14 in base 16 e si crea ambiguità. Insomma, l'app è fatta piuttosto bene, però perfavore miglioratela.

Another Excellent Improvement

swopud on

Vereinigte Staaten

Great improvement in readability of fractional Dozenal numbers between 0 and 1! Going immediately to scientific notation for numbers between 0 to 1 made them difficult to read. This most recent update fixed that! Next suggestion: Implement DSA font options for Dec and El (Pittman, Dwiggins, or both) in the display area?

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