Hp 48g Graphing Calculator Manual do Utilizador descarregar pdf (Página 90)

100

101

A number or alpha character and the divide bar, square-root

symbol, or Kth root term—for example, B

Note

All multiplication (even implied multiplication)

should display a multiplication operator (* or "), In

particular, an expression such as X<Y+2) contains

no multiplication. The form, >, is a user-defined

function (see page 11-6), whose parentheses

contain its argument. By contrast, expressions

such as K*i!V+Z) or (Y+Z) do include valid

multiplications.

To include division and fractions:

1. Press to start the numerator.

2. Press IQ to end the numerator and start the denominator (®

works too).

3. Press to end the denominator.

Here’s another way to type in fractions whose numerator consists of

either one term or a sequence of terms with operators of precedence

greater than or equal to that of division:

1. Type the numerator (without pressing (A)).

3. Press to end the denominator (® works too).

To include exponents:

1. Press El to start the exponent.

2. Press ® to end the exponent (® works too).

To include roots:

■ To include a square root, press to draw the i symbol and start

the term, then press ® to end the term.

■ To include an rth root, press (S(W) to start the x term (outside

the -f S3mabol), press (Q to draw the ■ ■ f symbol and start the y term

inside the -i symbol, then press ® to end the .rth root term.

1. Press the function key, or type the name and press (30-

7-4 The EquationWriter

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