[WP 34s] Trapezoidal approximation of area under curve

[Dieter]

(06-01-2015 06:56 PM)Thomas Klemm Wrote:  Not a sophisticated program but I hope you get the idea.

A bit of sophistication can be added by using the 34s' complex functions:

Code:

01 LBL"TRP"
02 CLΣ
03 CLSTK
04 STOP
05 LBL 01
06 STOP
07 cplx x<> Z
08 +/-
09 cplx RCL+ Z
10 Σ+
11 cplx DROP
12 GTO 01

XEQ"TRP"
y1 ENTER x1 R/S
y2 ENTER x2 R/S
...
Σxy 2 ÷

Dieter