Table 2.
Program listing for the trunk formula method for tree appraisal using a Hewlett-Packard HP 32SII programmable calculator.
| Keystrokes | Display |
|---|---|
 PRGM | PRGM TOP |
 LBL A | A01 LBL A |
| RCL A | A02 RCL A |
| RCL X | A03 RCL X |
 x?y{<y} | A04 x<y? |
 GTO F | A05 GTO F |
| RCL A | A06 RCL A |
 x2 | A07 x2 |
| .785 | A08 0.785 |
| X | A09 X |
| STO L | A10 STO L |
 RTN | A11 RTN |
 LBLF | F01 LBL F |
| RCL A | F02 RCL A |
| 69.3 | F03 69.3 |
| X | F04 X |
| ENTER | F05 ENTER |
| RCL A | F06 RCL A |
 x2 | F07 x2 |
| .335 | F08 0.335 |
| X | F09 X |
| - | F10 - |
| 1087 | F11 1,087 |
| - | F12 - |
| STO L | F13 STO L |
 RTN | F14 RTN |
 LBL B | B01 LBL B |
| RCL G | B02 RCL G |
| ENTER | B03 ENTER |
| RCL H | B04 RCL H |
| + | B05 + |
| RCL I | B06 RCL I |
| + | B07 + |
| ENTER | B08 ENTER |
| 3 | B09 3 |
| — | B10 — |
| STO J | B11 STO J |
| RCL C | B12 RCL C |
 x2 | B13 x2 |
| .785 | B14 0.785 |
| X | B15 X |
| STO K | B16 STO K |
| RCL L | B17 RCL L |
| RCL K | B18 RCL K |
| - | B19 - |
| STO M | B20 STO M |
| RCL D | B21 RCL D |
| RCL K | B22 RCL K |
| ÷ | B23 ÷ |
| STO N | B24 STO N |
| RCL M | B25 RCL M |
| RCL N | B26 RCL N |
| X | B27 X |
| RCL E | B28 RCL E |
| X | B29 X |
| RCL B | B30 RCL B |
| + | B31 + |
| RCL F | B32 RCL F |
| X | B33 X |
| RCL J | B34 RCL J |
| X | B35 X |
 RTN | B36 RTN |
 PRGM | 0.00 |