System Dynamics Society
1999 & 1998 Balance Sheets
					Dec 31, '99		Dec 31, '98
ASSETS
	Current Assets
		Checking/Savings
			Bank Boston
				Checking - Bank Boston	34,747.52		21,713.94
				Companion Savings - Bank Boston	62,211.10		100,670.67
			Total Bank Boston		96,958.62		122,384.61
			Fidelity Cash Reserves		55,566.69		52,926.83
			PaineWebber
				Cash Account - PaineWebber	0.00		25,640.63
				Money Mkt - PaineWebber	31,043.16		25,625.69
				Mutual Fund - Washington	23,505.35		0.00
				Government Sec.- PaineWebber	24,902.50		27,895.28
			Total PaineWebber		79,451.01		79,161.60
		Total Checking/Savings			231,976.32		254,473.04
		Accounts Receivable
			Accounts Receivable		2,765.60		4,939.75
		Total Accounts Receivable			2,765.60		4,939.75
		Other Current Assets
			Undeposited Funds		1,399.97		797.82
		Total Other Current Assets			1,399.97		797.82
	Total Current Assets				236,141.89		260,210.61
	Fixed Assets
		Equipment			2,857.18		2,410.82
		Accumulated Depreciation			-1,254.00		-1,254.00
	Total Fixed Assets				1,603.18		1,156.82
TOTAL ASSETS					237,745.07		261,367.43
LIABILITIES & EQUITY
	Liabilities
		Current Liabilities
			Other Current Liabilities
				Accounts Payable Summary	0.00		1,448.50
				Jrnl Subscrptn Payable to Wiley	1,030.00		670.00
			Total Other Current Liabilities		1,030.00		2,118.50
		Total Current Liabilities			1,030.00		2,118.50
	Total Liabilities				1,030.00		2,118.50
	Equity
		General Fund			260,339.29		206,265.08
		Retained Earnings			-1,090.36		-482.00
		Net Income			-22,533.86		53,465.85
	Total Equity				236,715.07		259,248.93
TOTAL LIABILITIES & EQUITY					237,745.07		261,367.43