TI -82 Manual Book page 50

log, 10^, ln
(logarithm «),
log
ã ä) may be used with a number, expression, or list.
ln
log value,
e^
(exponential y ã
e^
returns the constant e raised to a power.
e^
constant e.
e^ power
M (Negation)
(negation Ì) returns the negative of a number, expression, list, or matrix
M
(Chapter 10). The narrow negation symbol (
the subtraction or minus ¹ (
M
value
EOS rules (Chapter 1) determine when negation is evaluated. For example,
2
MA
returns a negative number (squaring is evaluated before negation
according to EOS rules). Use parentheses to square a negated number,
2
(MA) .
abs
abs (absolute value) returns the absolute value of a number, expression,
list, or matrix (Chapter 10).
abs value
p (Pi)
Pi is stored as a constant in the TI.82. Press y ã
the cursor location. The number 3.1415926535898 is used internally in
calculations.
2-4 Math, Angle, and Test Operations
(power of ten y ã
10^
10^ power, ln value
x
ä) may be used with a number, expression, or list.
e
10
e^1
M ) distinguishes negation from
N
).
(natural log y
x
ä), and
ln
returns the value of the
ä to copy the symbol
p
p
to