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Roy L.


Manassas, VA (20111)

Travel radius
15 miles
Hourly fee
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I am an experienced programmer. I program in VBA for Excel, Access, PowerPoint and Outlook.
I am also an experienced Access database administrator and SQL database administrator.
I also program in ColdFusion (HTML), Algol, COBOL and FORTRAN.

I worked as a trainer in Ruislip, U.K., for a mainframe computer manufacturer.

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Roy’s subjects

ACT Math, Algebra 1, Algebra 2, Calculus, Differential Equations, Geometry, Linear Algebra, Prealgebra, Precalculus, SAT Math, SPSS, Statistics, Trigonometry
Electrical Engineering, Physics
ASP.NET, C, C#, C++, COBOL, Computer Programming, DOS, Fortran, General Computer, Java, Linux, MATLAB, Microsoft Access, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Windows, Microsoft Word, Networking (Computer), Oracle, SAS, SPSS, SQL
Microsoft Excel, Microsoft PowerPoint, Microsoft Word
Algebra 1, Algebra 2, Calculus, Geometry, Physics, Prealgebra, Precalculus, SAT Math, Statistics
Test Preparation:
ACT Math, SAT Math
Corporate Training:
ASP.NET, C++, General Computer, Java, Microsoft Excel, Microsoft Word, Networking (Computer), SPSS, SQL, Statistics

Differential Equations

As an Oxford student in mathematics, I took advanced courses on mathematical methods in physics and electrical engineering. These courses involved learning the techniques, both analytical and numerical, for solving ordinary, partial, and non-linear differential equations including Green's function techniques. I have also helped both undergraduate and graduate students on Physics and Electrical Engineering courses. These courses involved solving differential equations related to applications in physics and electrical engineering.

Linear Algebra (Vectors and Matrices) can be applied to solutions of Differential Equations.

MATLAB relieves the tedium of calculating solutions. I now use FreeMat, a free version of MATLAB.


I am a DBA. That means I often need to manipulate servers and users workstations. As such I am a domain admin.

I script installs and code releases using DOS scripting since it is guaranteed to be available. I work for a hosting company and the client may insist, or we may, that CSH or WSH be disabled/removed.

Linear Algebra

As an Oxford student in Mathematics, I took courses in mathematical methods which can be applied to physics and engineering. These courses included fundamental theory and techniques (including numerical) of linear algebra and its applications to engineering and physics.

Linear Algebra (Vectors and Matrices) can be applied to solutions of Differential Equations.

MATLAB relieves the tedium of calculating solutions. I now use Freemat, a free version of MATLAB.

Microsoft Access

I worked at Computer Associates as an Access DBA. I also supported VBA there.

Microsoft Excel

I teach basic Excel functions in all versions of Excel, as well as certain advanced functions and concepts.

I teach Pivot Tables as this is a powerful tool to analyze data. Many people find Pivot Tables a hard concept, but I have been successful in fixing that.

In addition, database systems, such as SQL Server 2012, may provide data in a Pivot Table and so it is important to be able to deal with them.


I am a Data-Base Administrator who has worked on SQL Server and Oracle Databases for over 10 years. I deal with developers who only know one flavor of SQL.

I like to teach what is common to both and to point out when something is different.


SQL Server DBA with 9 years experience.

Read all subject qualifications »

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Pembroke College, Oxford, UK

Pembroke College, Oxford, UK (Master's)

info Roy is a very good tutor. If I had to come back again I would choose him. He is better than my math teacher ...

— Adrian from Woodbridge, VA on 11/2/11);

Hourly fee

Standard Hourly Fee: $55.00

Cancellation: 5 hours notice required

Travel policy

Roy will travel within 15 miles of Manassas, VA 20111.

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