Just push the button ...A Dozenal CalculatorWe′ve been asked for a calculator
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And here is what it looks like, |
(NB: This is for Windows; there is no Mac version.)
The display shows the value of π in base twelve.
The display can show up to *12 digits (or 8 significant figures using scientific notation).
Note that "A" stands for "ten" and "B" for "eleven", so, for example, "a dozen and ten" is written "1A".
In addition to the normal keys for calculations (which can be accessed from the keyboard as well as by the mouse), and A and B for ten and eleven, we have:
Summary of key functions:
(note that letters may be caps or lowercase)
Function | Keyboard | Function | Keyboard | |
Numbers | 0 - 9, a and b | Log | L | |
Fractionals | ; or . | Antilog | Ctrl-L | |
Scientific notation | ^ or i | Sine | s | |
Change sign (+/-) | _ or w | Arcsine | Ctrl-s | |
Equals | = or Enter | Cosine | c | |
+ | + or d | Arccos | Ctrl-c | |
Subtract | - | Tangent | t | |
Multiply | * or x | Arctan | Ctrl-t | |
Divide | / | π | Ctrl-p | |
delete last input | backspace | e | Ctrl-e | |
Clear all | Esc | open bracket | ( or k | |
Memory clear | e | close bracket | ) or Ctrl-k | |
Memory recall | r | Switch number base | n | |
Memory - | m | Switch angle system | f | |
Memory + | p | Switch hints on/off | h |
To copy or paste a value to or from the clipboard right click the mouse for pop-up menu over the display area.