(12C) Solve a system of linear equations of 2 Unknown

[Dieter]

(03-24-2018 03:22 AM)Gamo Wrote:  Program Update: Changed the Display Marker Input

Instead of the equation input display as 1 and 2 changed to

Equation Input 1 to 1,111,111,111
Equation Input 2 to 2,222,222,222

Looks good. But the FIX commands are not required, and the 111.... can be reused to get the 222....:

Code:

01 STO 1
02 Rv
03 STO 2
04 Rv
05 STO 3
06  9
07 EEX
08  1
09  0
10 CHS
11 1/x
12 STO 0   // show 1111111111
13 STO+0   // and keep 2222222222 in R0
14 R/S
15 STO 4
16 Rv
17 STO 5
18 Rv
19 STO 6
20 RCL 0   // show 2222222222
21 R/S
.. ...

Nine steps less. :-)

You can also do this with R7, but since here storage arithmetics are not possible you would have to replace the STO 0  STO+0 with STO 7 and the RCL 0 with RCL 7  2  x.

Dieter