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Appendix a: function and instruction reference – Texas Instruments TI-73 EXPLORER User Manual

Page 313

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Appendix A: Function and Instruction Reference

307

73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed:

05/19/99 9:03 AM Page 307 of 36

Stop

‡

8

C T L

Programming command; ends program execution and

returns to Home screen.

PROGRAM:STOP

:Input "T=",T

:If T‚20

:Then

:Disp "T‚20"

:Pause

:Else

:Stop

StorePic

number

2

S T O

Stores the current graph display in one of three

picture variables. number is

1

,

2

, or

3

(for variable

Pic1

,

Pic2

,

or Pic3

).

Line(0,0,6,6) b

StorePic 2 b

Done

sum(

list[,start,end])

- v

M A T H

Returns the sum of all elements in list. Specify the

additional optional arguments to return the sum of the

range of elements between start and end.

sum({1,2,4,8}) b

15

sum({1,2,4,8},2,4) b

14

sum({1,2,4,8},3) b

12

tan(

value

)

- u

T R I G

Returns the tangent of a real number, expression, or

all elements in a list. Results are determined by the

Angle mode setting (

Degree

or

Radian

).

In Degree mode:

tan(0) b

0

tan({0,1,30}) b

{0 .0174550649 .5773502692}

In Radian mode:

tan(p/4) b

1

tan({p/2,p/4,0}) b

{1 0 0}

tan

L

1

(

value

)

- u

T R I G

Returns the arctangent of a real number, expression,

or each element in a list.
Since tan=sinàcos, tan

L

is undefined when cos=0.

Results are determined by the Angle mode setting

(

Degree

or

Radian

).

In Degree mode:

tan

L

(1) b

45

tan

L

({.5,1,0)) b

{26.56505118 45 0}

In Radian mode:

tan

L

(.5) b

.463647609

tan

L

({.5,1,0)) b

{.463647609 .7853981634 0}