Hp 33s User Manual download pdf (Page 369)

Operation Index G–17

Name Keys and Description Page ¼

TAN

U

Tangent. Returns tan x. 4–3 1

TANH

{U

Hyperbolic

tangent.

Returns tanh x.

4–6 1

VIEW variable

|

variable

Displays the labeled contents of

variable without recalling the

value to the stack.

3–3

12–13

X

Evaluates the displayed equation. 6–12

XEQ label

X

label

Executes the program identified

by label.

13–2

x

2

!

Square of x. 4–2 1

x

3

{$

Cube of x. 4–2 1

x

#

Square root of x. 4–2 1

3

x

{@

Cube root of x.



4–2 1

X

y



The x

th

root of y. 4–2 1

x

|

{

º

}

Returns the mean of x values:

Σ

x

i

÷

n.

11–4 1

x

ˆ

|

{

º

ˆ

}

Given a y–value in the X–register,

returns the x–estimate based on

the regression line:

x

ˆ

= (y – b)

÷

m.

11–10 1

x!

{

Factorial (or gamma).

Returns (x)(x – 1) ... (2)(1), or

Γ

(x

+ 1).

4–14 1

XROOT



The argument

1

root of

argument

2

.

6–15 2

1 2 ... 364 365 366 367 368 369 370 371 372 373 374 ... 386 387

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