Texas Instruments TI-86 User Manual
Page 376
364
Chapter 20: A to Z Function and Instruction Reference
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 364 of 118
listA
N
listB
matrixA
N
matrixB
vectorA
N
vectorB
Returns a list, matrix, or vector that is the result of each
element in the second argument subtracted from the
corresponding element in the first argument. The two
real or complex arguments must have the same
dimension.
{5,7,9}
N
{4,5,6} b
{1 2 3}
[[5,7,9][11,13,15]]
N[[4,5,6][7,8,
9]] b
[[1 2 3]
[4 5 6]]
[5,7,9]
N
[1,2,3] b
[4 5 6]
sum
MATH MISC menu
LIST OPS menu
sum
list
Returns the sum of all real or complex elements in list.
sum {1,2,4,8} b
15
sum {2,7,
L
8,0} b
1
tan
?
tan
angle
or
tan (
expression
)
Returns the tangent of angle or expression, which can
be real or complex.
An angle is interpreted as degrees or radians according
to the current angle mode. In any angle mode, you can
designate an angle as degrees or radians by using the
¡
or
r
designator, respectively, from the
MATH ANGLE
menu.
In
Radian
angle mode:
tan
p/4 b
0
tan (
p/4) b
1
tan 45
¡ b
1
In
Degree
angle mode:
tan 45 b
1
tan (
p/4)
r
b
1
tan
list
Returns a list in which each element is the tangent of
the corresponding element in list.
In
Degree
angle mode:
tan {0,45,60} b
{0 1 1.73205080757}