7 8 9 ⌫ ⏎
		4 5 6 . ↑
		1 2 3 0 ↓
	    0-9. inf pi (00 )000
		_¯ #.00 xEw D2R R2D Pi×
		↹swap ⇧↹over ⇧⏎dup ⇧⌫drop ␛C
		    xw/x ⇧   xw/x A← x y z
		+inc/add -neg/sub ×*sgn/mul ÷inv/div
		^sqr/pow √sqrt/root ⋆exp/pow ⍟ln/log
		%÷100/pct ⌊floor/min ⌈ceil/Max |abs/mod
		<LT >GT =EQ ≠NE ≤LE ≥GE $rnd/cmp
		⍄cos ⍓sin ⍁tan ⍃aCos ⍌aSin ⍂aTan
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