ivan_ah
...joined 16 years ago, and has 5084 karma
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ivan dot savov at gmail
Founder at Minireference Co. We make textbooks that don't suck.
No Bullshit Guide to Mathematics => https://noBSmath.com (high school math)
No Bullshit Guide to Math & Physics => https://minireference.com (mechanics and calculus)
No Bullshit Guide to Linear Algebra => http://gum.co/noBSLA (linear algebra and its applications)
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