The process is so simple that, though I have no special gift for mental arithmetic, I was able, almost without practice, to multiply together correctly seven figures by seven, ...

REFERRING to the articles on “Mental Arithmetic” in NATURE, vol. xlv. p. 78 and 198, I beg to state that there also exists a very clearly written little text-book on arithmetic founded ...

Unlock rapid mental math skills with abacus tricks! Learn basic addition, subtraction, and advanced techniques using easy examples. Boost concentration and speed.

Learn how to multiply any number by 11 instantly with this simple math trick. Perfect for school students to solve problems ...

Practice Mental Math. Solving math problems in your head, such as calculating tips, percentages or multiplying numbers without a calculator, can help improve your working memory and cognitive ability.

In softcover, Mental Math for Pilots contains 104 pages and can be obtained from FBOs that stock pilot supplies, online retailers, or at asa2fly.com for $24.95.It is also available as an e-book ...

News, Reviews, Release Date, Trailers, Gameplay and more for Mental Math Tutor ...

Pupil for mental arithmetic contest A pupil Faluyi Rebekah Tokuibiye Ifeoluwa, has won in the International category of the first Universal Concept of Mental Arithmetic System (UCMAS) held in Lagos.