Push_Square - Texas Instruments TI-89 Developer's Manual

Appendix A: System Routines — Math

push_square

Declaration: void push_square (EStackIndex i )
Category(ies): Math
Description: Pushes onto the estack the internally-simplified value of the square of the
expression indexed by i .
i
Inputs:
Outputs: None
Assumptions: None
Side Effects: None
Availability: On AMS 2.02 and higher.
TI-89 / TI-92 Plus
Differences: None
See Also: push_exponentiate, raise_to_top, push_sqrt, push_reciprocal,
replace_top2_with_pow, replace_top_with_reciprocal,
push_dot_exponentiate
Example:
void push_quadratic_discriminant (EStackIndex a, EStackIndex b, EStackIndex c)
/* Pushes onto the estack
{ Access_AMS_Global_Variables;
EStackIndex old_top = top_estack;
push_negate_quantum_as_negint (4u);
times_top (a);
times_top (c);
a = top_estack;
push_square (b);
replace_top2_with_sum (a);
}
TI-89 / TI-92 Plus Developer Guide
— Index to the top tag of an internally-simplified algebraic expression,
algebraic comparison, or aggregate thereof.
b^2 - 4 a c. */
Not for Distribution
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Beta Version January 26, 2001