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                                                  Exhibit 31.0



                CERTIFICATION PURSUANT TO SECTION 302
                      OF THE SARBANES-OXLEY ACT


I, Helena R. Santos, certify that:

(1)      I have reviewed this Annual Report on Form 10-K of Scientific
Industries,  Inc.;

(2)       Based on my knowledge, this report does not contain any untrue
statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which
such statements were made, not misleading with respect to the period
covered by this report;

(3)	Based on my knowledge, the financial statements, and other financial
information included in this report, fairly present in all material
respects the financial condition, results of operations and cash
flows of the registrant as of, and for, the periods presented in this
report;

(4)   I am responsible for establishing and maintaining disclosure
controls and procedures (as defined in Securities Exchange Act Rules
13a-15(e) and 15d-15(e)) and internal control over financial reporting
(as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the
registrant and have:

	a)	Designed such disclosure controls and procedures, or
caused such disclosure controls and procedures to be designed under
my supervision, to ensure that material information relating to the
registrant, including its consolidated subsidiaries, is made known to
me by others within those entities, particularly during the period in
which this report is being prepared;

	b)	Designed such internal control over financial reporting, or
caused such internal control over financial reporting to be designed
under my supervision, to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial
statements for external purpose in accordance with generally accepted
accounting principles;

	c)	Evaluated the effectiveness of the registrant?s disclosure
controls and procedures, and presented in this report my conclusions
about the effectiveness of the disclosure controls and procedures,
as of the end of the period covered by this report based on such
evaluation; and

d)	Disclosed in this report any change in the registrant's internal
control over financial reporting (that occurred during the registrant's
most recent fiscal quarter (the registrant's fourth fiscal quarter)
that has materially affected, or is reasonable likely to materially
affect, the registrant's internal control over financial reporting; and

(5)   I have disclosed, based on my most recent evaluation of internal
control over financial reporting, to the registrant?s auditors and the
audit committee of the registrant's Board of Directors (or persons
performing the equivalent functions);

     a)	All significant deficiencies and material weaknesses in
the design or operation of internal control over financial reporting
which are reasonably likely to adversely affect the registrant's ability
to record, process, summarize and report financial information; and

     b)	Any fraud, whether or not material, that involves management
or other employees who have a significant role in the registrant's
internal control over financial reporting.


Date:	September 16, 2011
                                   By:  /s/ Helena R. Santos
                                   _________________________
			           Helena R. Santos
				   Chief Executive Officer and
			           Chief Financial Officer