HP F2216A hp 33s_user's manual_English_E_HDPM20PIE56.pdf - Page 369
Evaluates the displayed equation., value to the stack.
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Name TAN TANH VIEW variable X XEQ label x2 x3 x 3x Xy x xˆ x! XROOT Keys and Description Page ¼ U Tangent. Returns tan x. { U Hyperbolic tangent. Returns tanh x. | variable Displays the labeled contents of variable without recalling the value to the stack. 4-3 1 4-6 1 3-3 12-13 Evaluates the displayed equation. 6-12 X label Executes the program identified by label. ! Square of x. { $ Cube of x. # Square root of x. { @ Cube root of x. The xth root of y. 13-2 4-2 1 4-2 1 4-2 1 4-2 1 4-2 1 | {º} Returns the mean of x values: Σ xi ÷ n. 11-4 1 | {ºˆ } 11-10 1 Given a y-value in the X-register, returns the x-estimate based on the regression line: xˆ = (y - b) ÷ m. { Factorial (or gamma). 4-14 1 Returns (x)(x - 1) ... (2)(1), or Γ (x + 1). The argument1 root of argument2. 6-15 2 Operation Index G-17