Specifications: Fraction/decimal conversions
Change improper fractions to mixed numbers
Automatic simplification of fractions
Negation key
One constant
Combinations and permutations
Trigonometry
Hyperbolics
Logs and antilogs
Convert angles from degrees to radians to grads
Fixed decimal capability
One-variable statistics
AOS: (Algebraic Operating System)
Three memory variables
Scientific and engineering notation
Features: Mid-level phone, ideal for professionals and managers with moderate call load
4.3" 480x272-pixel color display, fully adjustable
HD Voice with Yealink Acoustic Shield technology
10 line keys, 16 SIP accounts, 27 memory keys
Built-in Bluetooth, Wi-Fi
Dual-port Gigabit Ethernet
1xUSB port for call recording and wireless USB headset
Power supply not included