I've done similar things with my Mac OS X keyboard layout; I haven't yet gotten around to posting it though. Rather than a single Compose key I use Alt/Option keys to shift into several alternate sets: Greek, Logic, Set, Superscript/Subscript, Arrows. Compose would probably be nicer, but it didn't occur to me to do something like that (and I would probably have to allocate a non-modifier key to it).
For a teaser, here's my documentation file (the un-mentioned keystrokes are the same as the default Mac US keyboard layout)
Ordinary/shift key:
Swapped [] and (), swapped : and ;, swapped | and \.
Option key:
3 × times symbol
4 ¢ cents symbol (Standard)
9 · center dot symbol (usually shifted)
0 ‚ low-9 quotation mark (usually shifted)
d ∂ partial derivative symbol (Standard)
t þ Thorn (lowercase)
h θ Theta (lowercase) -- TODO: Decide if having theta on Greek is good enough
j ∆ U+2206 Increment (Standard - capital delta operator symbol)
a Dead: Arrows
WASD are directions, QEZC are diagonals, RF are double arrows
Shift doubles the bar.
s Dead: Set symbols
u ∪ Union
i ∩ Intersection
e ∈ Element of
0 ∅ Empty set
, ⊂ Subset
. ⊃ Superset
k Dead: Greek keyboard
Same as system Greek layout.
Note that Option-w is summation sign ∑ whereas Option-k Shift-s is capital sigma Σ.
l Dead: Logical symbols
A ∀ For all
E ∃ There exists
a ∨ Or
e ∧ And
q ≡ Equivalence
o ⇔ Biconditional
i ∈ Element of (Option-i not-element-of)
n ¬ Logical not
x ≈ Proportional to (Standard)
v √ Square root sign (Standard)
b ∫ Integral sign (Standard)
m µ mu sign (Standard)
Option-Shift:
` ∝ Proportional-to symbol
6 Dead: superscripts and subscripts
Superscripts supported: 1243567890-=+()in
Press Option to access subscripts.
Subscripts supported: 1234567890-=+()aeox
t Þ Thorn (uppercase)
f ′ Prime
g ″ Double prime
h † Dagger
j ∇ Nabla (inverted delta)
l λ Lambda
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Date: 2011-02-10 01:31 (UTC)I've done similar things with my Mac OS X keyboard layout; I haven't yet gotten around to posting it though. Rather than a single Compose key I use Alt/Option keys to shift into several alternate sets: Greek, Logic, Set, Superscript/Subscript, Arrows. Compose would probably be nicer, but it didn't occur to me to do something like that (and I would probably have to allocate a non-modifier key to it).
For a teaser, here's my documentation file (the un-mentioned keystrokes are the same as the default Mac US keyboard layout)
Ordinary/shift key: Swapped [] and (), swapped : and ;, swapped | and \. Option key: 3 × times symbol 4 ¢ cents symbol (Standard) 9 · center dot symbol (usually shifted) 0 ‚ low-9 quotation mark (usually shifted) d ∂ partial derivative symbol (Standard) t þ Thorn (lowercase) h θ Theta (lowercase) -- TODO: Decide if having theta on Greek is good enough j ∆ U+2206 Increment (Standard - capital delta operator symbol) a Dead: Arrows WASD are directions, QEZC are diagonals, RF are double arrows Shift doubles the bar. s Dead: Set symbols u ∪ Union i ∩ Intersection e ∈ Element of 0 ∅ Empty set , ⊂ Subset . ⊃ Superset k Dead: Greek keyboard Same as system Greek layout. Note that Option-w is summation sign ∑ whereas Option-k Shift-s is capital sigma Σ. l Dead: Logical symbols A ∀ For all E ∃ There exists a ∨ Or e ∧ And q ≡ Equivalence o ⇔ Biconditional i ∈ Element of (Option-i not-element-of) n ¬ Logical not x ≈ Proportional to (Standard) v √ Square root sign (Standard) b ∫ Integral sign (Standard) m µ mu sign (Standard) Option-Shift: ` ∝ Proportional-to symbol 6 Dead: superscripts and subscripts Superscripts supported: 1243567890-=+()in Press Option to access subscripts. Subscripts supported: 1234567890-=+()aeox t Þ Thorn (uppercase) f ′ Prime g ″ Double prime h † Dagger j ∇ Nabla (inverted delta) l λ Lambda