Google Docs, Google Sheets and Google Slides are a word processor, a spreadsheet and a presentation program respectively, all part of a free, web-based software office suite offered by Google within its Google Drive service.
Students of mathematics need to know their basic math facts with no hesitation and with super speed. The Japanese Abacus (Soroban) - The Soroban, an essential element of Japan Math, is a revision of the Chinese Abacus and allows advanced computation with unparalleled accuracy.Students of the Soroban have an academic edge in daily and competitive math tasks.ogic-Japan Math uses problem solving by using time tested puzzles, strategies and math-based games that originated in Japan. Japan Math is an ancient, turned modern, approach to mastering mathematics. Japan Math is an integrated method that is both teacher tested and theory based.
Check. 1  The symbol Ë over a letter is commonly pronounced  check  by mathematicians. 2  The typographical name for the symbol is caron or haÄek. 3  The haÄek is used in Äech cohomology and occasionally in other fields. 4  In LaTeX, $\check{x}$ is coded as \check{x} in math mode. In many branches of math, the bar may be used to denote the closure (however it is defined) of a substructure of a mathematical structure. 2  The bar is also used to denote the conjugate of a complex number. 3  The typographical name of the symbol is macron.