科学计算器,目前，科学计算器的应用非常广泛。从生产，科学研究，文化，国防，卫生，家庭生活等方面来说，它离不开科学计算机的服务。避免了手动计算的繁琐，使用科学计算器，以及手动计算可能造成的大错误和计算错误，为人们的计算带来了极大的方便。(Scientific calculators are very widely used. From the aspect of production, scientific research, culture, national defense, health, and family life, it is inseparable from the services of scientific computers. Avoid the cumbersome manual calculation, the use of scientific calculators, and manual calculations may cause large errors and calculation errors, for people's computing has brought great convenience.)