Texas Instruments TINSPIRE Reference Guide - Page 132

In Degree, Gradian or Radian angle mode

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# (indirection) # varNameString Refers to the variable whose name is varNameString. This lets you use strings to create variable names from within a function. Creates or refers to the variable xyz . /k keys Returns the value of the variable (r) whose name is stored in variable s1. E (scientific notation) mantissaEexponent Enters a number in scientific notation. The number is interpreted as mantissa × 10exponent. Hint: If you want to enter a power of 10 without causing a decimal value result, use 10^integer. Note: You can insert this operator from the computer keyboard by typing @E. for example, type 2.3@E4 to enter 2.3E4. i key g (gradian) Expr1g ⇒ expression List1g ⇒ list Matrix1g ⇒ matrix In Degree, Gradian or Radian mode: This function gives you a way to specify a gradian angle while in the Degree or Radian mode. In Radian angle mode, multiplies Expr1 by p/200. In Degree angle mode, multiplies Expr1 by g/100. In Gradian mode, returns Expr1 unchanged. Note: You can insert this symbol from the computer keyboard by typing @g. ¹ key R(radian) Value1R ⇒ value List1R ⇒ list Matrix1R ⇒ matrix This function gives you a way to specify a radian angle while in Degree or Gradian mode. In Degree angle mode, multiplies the argument by 180/p. In Radian angle mode, returns the argument unchanged. In Gradian mode, multiplies the argument by 200/p. Hint: Use R if you want to force radians in a function definition regardless of the mode that prevails when the function is used. Note: You can insert this symbol from the computer keyboard by typing @r. In Degree, Gradian or Radian angle mode: ¹ key 126 TI-Nspire™ Reference Guide

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126
TI-Nspire™ Reference Guide
#
(indirection)
/k
keys
#
varNameString
Refers to the variable whose name is
varNameString
. This lets you
use strings to create variable names from within a function.
Creates or refers to the variable xyz .
Returns the value of the variable (r) whose name is stored in
variable s1.
E
(scientific notation)
i
key
mantissa
E
exponent
Enters a number in scientific notation. The number is interpreted as
mantissa
× 10
exponent
.
Hint: If you want to enter a power of 10 without causing a decimal
value result, use 10^
integer
.
Note:
You can insert this operator from the computer keyboard by
typing
@E
. for example, type
2.3@E4
to enter 2.3
E
4.
g
(gradian)
¹
key
Expr1
g
⇒
expression
List1
g
⇒
list
Matrix1
g
⇒
matrix
This function gives you a way to specify a gradian angle while in the
Degree or Radian mode.
In Radian angle mode, multiplies
Expr1
by
p
/200.
In Degree angle mode, multiplies
Expr1
by g/100.
In Gradian mode, returns
Expr1
unchanged.
Note:
You can insert this symbol from the computer keyboard by
typing
@g
.
In Degree, Gradian or Radian mode:
R
(radian)
¹
key
Value1
R
⇒
value
List1
R
⇒
list
Matrix1
R
⇒
matrix
This function gives you a way to specify a radian angle while in
Degree or Gradian mode.
In Degree angle mode, multiplies the argument by 180/
p
.
In Radian angle mode, returns the argument unchanged.
In Gradian mode, multiplies the argument by 200/
p
.
Hint: Use
R
if you want to force radians in a function definition
regardless of the mode that prevails when the function is used.
Note:
You can insert this symbol from the computer keyboard by
typing
@r
.
In Degree, Gradian or Radian angle mode: