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Sharp EL-9900 User Manual

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Chapter 3: Basic Calculations — Basic Keyboard

3 tan

Enters a tangent function to be used in a trigonometric calcula-

tion.

Example

• Calculate tangent 45°.

M A 3 4 5 E

4 log

Enters a “log” function for a logarithmic calculation

Example

• Calculate log 100.

M A 4 1 0 0
E

5 10

x

Enters a base of 10, setting the

cursor at the exponent.

Example

• Calculate 5

×

10

5

.

5 | M A 5 5 E

B

NUM

Use the NUM sub-menu items when converting between various

number systems.

1 abs(

abs(

value)

Returns an absolute value.

* A real number, a list, matrix, variable, or equation can be used

as values.

Example

• Find an absolute value of

-

40.5”.

M B 1 _ 4 0
. 5

E