Technology14.1Natural Base, e

Calculate the natural base e to nine decimal places.

Figure 14.1

Enter e.

For Figure 14.1,

ENTERe2nd

If e is a base of an expression, the calculator allows a more convenientmethod. Enter ex followed by the exponent. Remember to close the parentheses. To evaluate e, enter e1.

2nd ex 1 ) ENTER

Technology14.2

Figure 14.2

The Common Logarithm

Evaluate log10 100.

Enter the common-logarithm function, log, followed by 100. Remember to close the set of parentheses.

For Figure 14.2,

ENTER)001LOG

Technology14.3

Figure 14.3

The Natural Logarithm

Evaluate ln e2.

Enter the natural logarithm, ln, followed by ex and the value of the exponent, 2. Remember to close the both sets of parentheses.

For Figure 14.3,

ENTER)2ex2ndLN )