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
10.3K
MAT1033
Sharpen your intermediate algebra skills.
4.6
12
Python
Practice Python like champions do!
New course!
Java
Practice your Java skills.
New course!
Ruby
Learn and practice Ruby!
4.4
914
CHM1025/CHM1033
Math prerequisites. Get ready for CHM1025/CHM1033.
4.6
9.2K
MAC1105
Sharpen your college algebra skills
4.6
87
Cálculo Mental Fácil
Aprende y práctica tus habilidades de Cálculo Mental
4.1
289
SAT PREP
Prepare for your SAT test.
New course!
Data Science
Learn and practice the beauty of data!
4.2
146
ACT Prep
Ace your ACT exam.
4.5
153
HECTOC
Train your Mental Math skills and have fun with this game.
4.6
152
Mental Math
Sharpen your Mental Math skills!
4.7
444
MAT0028
Sharpen your elementary algebra skills.
4.6
586
Memory Games
Train and improve your memory with games
New course!
Mongo DB
Learn and practice this amazing storage technology!