1-24 arithmetic 算术

1-10 advanced arithmetical operations 高等算术运算

1 raising to a power [three squared (㎡): the power; m: the base; 2: the exponent（index）; 9: value of the power]自乘[m的平方 (㎡)：乘方；m：底；2：指数（幂）；9：乘方值]

2 evolution (extracting a root); [cube root of 8: cube root; 8: the radical; 3: the index (degree) of the root;√: radical sign; 2: value of the root] 开方[8的立方根：立方根；8：根数； 3：根指数；√根号；2：根值]

3 square root 平方根

4-5 algebra 代数

4 simple equation [3,2: the coefficients; x: the unknown quantity] 简单方程式[3，2：系数；x：未知数]

5 identical equation [a, b, c: algebraic symbols] 恒等式[a, b, c：代数符号]

6 logarithmic calculation (taking the logarithm, log); (log: logarithm sign; 3: number whose logarithm is required; 10: the base; 0: the characteristic; 4771: the mantissa; 0.4771: the logarithm) 对数计算[log：对数符号；3：求对数的数；10：底；0：(对数的)首数；4771：尾数；0.4771：对数值]

7 simple interest formula [P:principal;R: rate of interest; T: time; I: interest (profit); %: percentage sign] 单利计算公式[P：本金；R：利率；T：时间；I：利息；%：百分号]

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