Sharp EL-9900 User Manual
Page 78
68
Chapter 5: Advanced Calculations — Advanced Keyboard
s
Enters a sine function to be used in a trigonometric expression.
c
Enters a cosine function to be used in a trigonometric expression.
t
Enters a tangent function to be used in a trigonometric expres-
sion.
l
Enters a common logarithm function.
I
Enters a natural logarithm function.
Example
• Calculate In
e
4
.
I @ @ 4 E.
y
Raises the preceding value to the 2nd power.
If no preceding value exists, then the base value will be left blank.
d
Enters a mixed number, with all elements left blank. If a preceding
number exists, then the number is assumed as the integer part of
the mixed number. (See page 37.)
b
Enters a fraction. Sets the preceding value as its numerator while
the denominator left blank. (See page 38.)
If no preceding value exists, then both the numerator and the
denominator will be left blank.
a
Raises the preceding value to a power. The exponent value can
subsequently be entered.
If no preceding value exists, then both the base and the exponent
area will be left blank. (See page 38.)