科学性计算器 可以进行+，-，*，/，乘方，开方，求模，求余，弧度转换基本等运算，还可以选择是科学性还是标准型，类似于PC机上附件里的。-Scientific calculator can+,-,*, /, involution, evolution, modulo remainder convert radians basic operations, you can also select scientific standards, similar to the attached PC,.