Yusnier is a multiple World Record Holder and Mental Math World Champion. According to Discovery Channel, he is "One of the fastest brains on the planet". He has been teaching Math at different levels for over 20 years.
Courses
4.6
10.1K
MAT1033
Sharpen your intermediate algebra skills.
4.6
12
Python
Practice Python like champions do!
New course!
Java
Practice your Java skills.
4.5
8.6K
MAC1105
Sharpen your college algebra skills
New course!
Ruby
Learn and practice Ruby!
4.4
914
CHM1025/CHM1033
Math prerequisites. Get ready for CHM1025/CHM1033.
4.6
579
Memory Games
Train and improve your memory with games
4.6
87
Cálculo Mental Fácil
Aprende y práctica tus habilidades de Cálculo Mental
4.5
153
HECTOC
Train your Mental Math skills and have fun with this game.
4.1
289
SAT PREP
Prepare for your SAT test.
4.7
441
MAT0028
Sharpen your elementary algebra skills.
New course!
Data Science
Learn and practice the beauty of data!
4.2
146
ACT Prep
Ace your ACT exam.
4.6
148
Mental Math
Sharpen your Mental Math skills!
New course!
Series 65 License
Prepare to ace the Series 65 exam
New course!
Mongo DB
Learn and practice this amazing storage technology!