Address：Floor 3, Building 6, No.168, Changshan Industrial Zone, Liulian Community, Pingdi Street, Longgang District, Shenzhen City, Guangdong Province
Tel：(+86)-755-89250396
Mob: (+86)-18176609782
Customer Support
Information
Sina
More
copyright©2018 Tianyan Electronics 粤ICP备14027986号
Bluetooth audio
Links
Alibaba
TaoBao
Products
Contact information
Products
Related Products
TY-290ES scientific functional calculators for students
Features: five-line full matrix display, various functions, super hard protection cover
Main functions：four arithmetic calculations，modifying, inserting and deleting functions，quickly flip and view up and down/forward or backward、multi-step reproduction，answers storage、expression multi-level calculations，storage calculations、trigonometric functions、inverse trigonometric functions，logarithms、antilogarithms calculations、power and root calculations，conversion between sexagesimal system and decimal system， statistic calculation、fractions calculations、expressions editing，random numbers generation、percentage calculations，full dot-matrix display and second-function display，display screen settings、significant-digit settings display，independent storage calculations、stored contents display，hyperbolic functions/inverse hyperbolic functions calculations，clear storage calculation and display，manual or auto power off
服务支持 ：FAQ 说明书 下载 维修 质量证书 联系方式