Program for the Trunk Formula Method of Tree Appraisal

Article Figures & Data

Table 1.

Operating directions for computing tree appraisal using the trunk formula method, for use on a Hewlett-Packard HP 32SII programmable calculator.

Step	Instructions	Keystrokes	Output data
1.	If the calculator has been programmed, go to step 4. If not, switch calculator into program mode	□PRGM
2.	Key in program (Table 2)
3.	Switch calculator into run mode	□PRGM
4.	Enter trunk diameter, in inches	STO A
5.	Enter replacement cost, in dollars	STO B
6.	Enter replacement tree diameter, in inches	STO C
7.	Enter wholesale cost, in dollars	STO D
8.	Enter species rating	STO E
9.	Enter condition rating	STO F
10.	Enter site rating	STO G
11.	Enter contribution rating	STO H
12.	Enter placement rating	STO I
13.	Enter 30	STO X
14.	Execute first part of program	XEQ A	TA_A or ATA_A
15.	Execute second part of program	XEQ B	Appraised value in dollars

Table 2.

Program listing for the trunk formula method for tree appraisal using a Hewlett-Packard HP 32SII programmable calculator.