Quick Reference Guide
156
stdDevPop( ), population standard 
deviation
 98
stdDevSamp( ), sample standard 
deviation
 98
Stop command
 99
storing
symbol, 
& 129
string
dimension, dim( )
 30
length
 30
string( ), expression to string
 99
strings
append, &
 122
character code, ord( )
 72
character string, char( )
 15
expression to string, string( )
 99
format, format( )
 38
formatting
 38
indirection, #
 126
left, left( )
 50
mid-string, mid( )
 62
right, right( )
 18, 34, 48, 84, 85, 
110
rotate, rotate( )
 85
shift, shift( )
 91
string to expression, expr( )
 35
using to create variable names
136
within, InString
 47
student-
t distribution probability, 
tCdf( )
 103
student-
t probability density, tPdf( ) 
104
subMat( ), submatrix
 99, 100
submatrix, subMat( )
 99, 100
subtract, 
N 116
sum (
G)
template for
 4
sum of interest payments
 125
sum of principal payments
 125
sum, 
Σ() 124
sum( ), summation
 99
sumIf( )
 100
summation, sum( )
 99
sumSeq()
 100
support and service
 145
system of equations (2-equation)
template for
 3
system of equations (N-equation)
template for
 3
T
t test, tTest 105
T, transpose 100
tan( ), tangent
 101
tan
/( ), arctangent 101
tangent, tan( )
 101
tanh( ), hyperbolic tangent
 102
tanh
/( ), hyperbolic arctangent 102
tCdf( ), student-
t distribution 
probability
 103
templates
absolute value
 3
definite integral
 5
e exponent 2
exponent
 1
first derivative
 5
fraction
 1
Log
 2
matrix (1 
Q 2) 4
matrix (2 
Q 1) 4
matrix (2 
Q 2) 3
matrix (m 
Q n) 4
nth root
 1
piecewise function (2-piece)
 2
piecewise function (N-piece)
 2
product (
Π) 4
second derivative
 5
square root
 1
sum (
G) 4
system of equations (2-equation)
3
system of equations (N-
equation)
 3
test for void, isVoid( )
 49
Test_2S, 2-sample F test
 39
Text command
 103
time value of money, Future Value
106
time value of money, Interest
 107
time value of money, number of 
payments
 107
time value of money, payment 
amount
 107










