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87BusinessPhone – Cordless DT590
Other Useful Features
Calculator
The DT590 has a calculator that supports general arithmetic
functions such as addition, subtraction, multiplication, and division.
Route: Menu » Toolbox » Calculator
¾ Press.
º Select the “Toolbox” tab.
º ÜÛ Select the menu item “Calculator” and confirm.
¿ Enter digits.
# Enter for addition.
Or:
## Enter for subtraction.
Or:
### Enter for multiplication.
Or:
#### Enter for division.
¿ Enter digits.
ÜÛ Press to get the results.