Chapter 2: Math, Angle, and Test Operations 36
Keyboard Math Operations
Using Lists with Math Operations
Math operations that are valid for lists return a list calculated element by element. If you use two
lists in the same expression, they must be the same length.
Addition, Subtraction, Multiplication, Division
You can use + (addition, Ã), N (subtraction, ¹), … (multiplication, ¯), and à (division, ¥) with real
and complex numbers, expressions, lists, and matrices. You cannot use à with matrices. If you
need to input A/2, enter this as A
†1/2 or A †.5.
Trigonometric Functions
You can use the trigonometric (trig) functions (sine, ˜; cosine, ™; and tangent, š) with real
numbers, expressions, and lists. The current angle mode setting affects interpretation. For
example,
sin(30) in radian mode returns L.9880316241; in degree mode it returns .5.
You can use the inverse trig functions (arcsine, y ?; arccosine, y @; and arctangent,
y A) with real numbers, expressions, and lists. The current angle mode setting affects
interpretation.
Note: The trig functions do not operate on complex numbers.
Power, Square, Square Root
You can use
^ (power, ›),
2
(square, ¡), and ‡( (square root, y C) with real and complex
numbers, expressions, lists, and matrices. You cannot use ‡
( with matrices.
valueA+valueB
valueA…valueB
valueA
N valueB
valueA à valueB
sin(value)cos(value)tan(value)
sin
L1
(value)cos
L1
(value)tan
L1
(value)
MathPrint™: value
power
Classic: value^power
È
value
2
‡(value)
È
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