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Don S.

Math Tutor and Programmer

Berkeley, IL (60163)

Travel radius
40 miles
Hourly fee
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My name is Don S., and I'm the guy that built the only site on the Internet where you can enter a math problem, push a button, and every single line of work appears. I take that knowledge and attention to detail from the website, and use it to teach you in a face to face setting. I specialize in math tutoring and programming in a variety of languages. I've been a math tutor for 15 years and a programmer for 8 years. My math tutoring and programming websites receive 300,000 visitors per month.

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Don’s subjects

ACT Math, Algebra 1, Algebra 2, Calculus, Discrete Math, Geometry, Linear Algebra, Prealgebra, Precalculus, Probability, SAT Math, Statistics, Trigonometry
C#, Computer Programming, HTML, JavaScript, Microsoft Access, Microsoft Excel, Microsoft Word, Perl, PHP, SQL, Visual Basic
Elementary Education:
Elementary Math
Finance, Microsoft Excel, Microsoft Word
Algebra 1, Algebra 2, Calculus, Geometry, Prealgebra, Precalculus, SAT Math, Statistics
Test Preparation:
ACT Math, SAT Math
Corporate Training:
Finance, HTML, Microsoft Excel, Microsoft Word, SQL, Statistics

Computer Programming

I've been a computer programmer for 10 years and I own my own business. I tutor weekly in multiple programming languages.


I have been a Javascript and jQuery developer for over 7 years with 3 personal websites which heavily utilize Javascript.


I have been a programmer in php for 5 years, including two personal websites and 3 full time jobs as a php developer. I have been a guest speaker at a few high schools regarding programming, based heavily in php and visual basic.

Visual Basic

I have been an Excel/VBA developer for 13 years. I have taught classes, and given instruction to all age groups. My past few full time jobs were heavily involved writing VBA macros in Excel/Word as well as VBScript.

Read all subject qualifications »

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Good teacher — I know this is more than a year over due. John was awesome. I LEARNED A LOT. John was confident and able to show me where I was off in my calculations, awesome tutor. ...

— Lenard from Westchester, IL on 10/23/12

Hourly fee

Standard Hourly Fee: $40.00

Travel policy

Don will travel within 40 miles of Berkeley, IL 60163.

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Usually responds in about 49 minutes

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