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In addition, more functions can be obtained by holding down the
Option (Alt), key:
Generally, the inverse of the function is obtained when holding
down the Option button and pressing the key.
Thus the sine (sin) key becomes arcsine, the cosine (cos) key
becomes arccosine, the tangent (tan) key becomes arctangent,
the logarithm base
10
(log) key becomes 10
x
, the natural logarithm
(ln) key becomes
e
x
, the square root (Ã) becomes a square key,
x
2
, and the y
th
root of x becomes the x
y
(x to the power y) key.
The memory plus (M+) key becomes the memory minus (M-)
key and the memory recall (MR) key becomes the clear memory
(CM) key.
The three exceptions are the percent (%) key, which becomes the
¹ (pi) key, the plus/minus key which becomes the inverse key,
1
Úx,
and the clear (C) key which becomes the clear last entry (CE) key.
The calculator window is a standard window with a title bar, close
box and windowshade (collapse) box. The window is not resizable
and hence there is no grow or zoom box. Clicking on the close
box will quit iMalc, and clicking on the windowshade box will
collapse the window to just the title bar. You can move the
window around by click-dragging the title bar (ie clicking and
holding the mouse down while dragging).
Calculator Operation
iMalc Manual
Calculator Operation
19
Trignometry inverse functions
10
x
key
Clear last entry key
x
y
key
¹ (Pi) key
e
x
key
x
2
(Square) key
1
Úx (inverse) key
Memory keys