Teaching Tools For Mathematics - BenQ QTouch User Manual

Click and a drop-down list with different functions will pop up. The default function is System
Clock. You can change the default function to Countdown Clock, Timing Clock, and Set.
Click Exit in the drop-down list to exit the clock function.

Teaching Tools for Mathematics

Calculator
Click to pop up the secondary window and click
Click OFF on the calculator panel to close the Calculator.
Calculator features include basic arithmetic operation, mathematical formulas, units and conversion
of number systems.
• Basic arithmetic operation: Calculator includes basic arithmetic operation such as add, subtract,
multiply, divide, percentage, and exponentiation.
• Mathematical formula: Calculator includes mathematical formulas such as trigonometric function,
logarithm, absolute value, PI, and natural logarithm.
• Units and conversion of number systems: Calculator includes units and conversion of number
systems such as Angle, Radian, Bin (Binary), Oct (Octonary), Dec (Decimal), Hex
(Hexadecimal).
38 Detailed Operation
to activate the Calculator function.