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6–16 Entering and Evaluating Equations
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Eleven of the equation functions have names that differ from their equivalent
operations:
Operation Equation function
x
2
SQ
x
SQRT
e
x
EXP
10
x
ALOG
1/x INV
X
y
XROOT
y
x
^
INT÷ IDIV
Rmdr RMDR
x
3
CB
3
x
CBRT
Example: Perimeter of a Trapezoid.
The following equation calculates the perimeter of a trapezoid. This is how the
equation might appear in a book:
Perimeter = a + b + h (
φθ
sin
1
sin
1
+
)
b
a
h
φ
θ
The following equation obeys the syntax rules for HP 33s equations: