Magic Number
Secrets
A collection of
hidden tips and tricks.
Calculate While Typing
You can see the result as you type.
Very useful when you want to check your work.
Menu: Calculation ▸ Calculate While Typing
Shortcut: ⌘ =
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Transformations
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Overview
You can transform result:
You can transform number:
You can do more with Switch Sign and Inverse.
Let’s explore.
Switch Sign
Transformation
Besides switching the sign of a number, you can also switch between plus (+) and minus (–) sign.
Example
Let’s use it for ‘Forecast ± Error %’.
270 ± 7%
Let’s enable Calculate While Typing (⌘=) to see the result.
Inverse
Transformation
Inverse transforms the subject to its reciprocal, i.e.
something → 1/something
You can a invert number:
Invert a trigonometric function:
Likewise, hyperbolic function:
Invert division:
Inverse
Operator
Shortcut:
'
Easy way to remember the shortcut:
(The inverse transformation shortcut is also based on this.)
Here are 2 uses:
Reciprocal
Enter: 7'
Inverse trigonometric functions
Enter: S'
(S = shortcut for sin)
Toggle Formats
Let’s look at the format commands under View > Format.
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They actually toggle the format:
Default◀⌘ K▶Decimal Places
Default◀⌘ L▶Scientific Notation
Default◀⌘ /▶Fraction
This means you can press ⌘/ for fraction,
and press ⌘/ again to go back.
Also:
Radians◀⌥⌘ R▶Degrees
Polar◀⌥⌘ P▶Rectangular
Copy as PDF
You can do it via Edit > Copy Expression (⇧⌘C).
The PDF of the expression is automatically copied.
PDF Scale
You may notice Export as PDF lets you to set a scale for PDF.
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This scale also applies to the PDF you are copying.
More Double Keys
P → π
PP → %
I → Imaginary unit
II → Inclusive of %
H → Hypotenuse
HH → Adjacent
Finding More Gems
Many buttons have contextual menus; this is where you access many ‘hidden’ features.
1. Press
to reveal these buttons:
2. Click and hold the button until its menu appears.
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3. Enjoy your new discovery!