Calculated Industries 4020 Pocket Reference Manual page 4

Circle Area and Circumference..........21
Arc Properties ....................................22
Concrete Volume for Driveway ..........23
Squaring-up a Foundation .................23
APPENDIX ............................................24
Setting Fractional Resolution.............24
Default Settings .................................25
Auto-Shut Off .....................................26
Accuracy/Errors .................................26
Batteries.............................................27
Replacing the Batteries .....................28
Reset .................................................28
AREA AND VOLUME FORMULAS ......29
Area Formulas ...................................29
Volume Formulas...............................30
REPAIR AND RETURN.........................31
Warranty, Repair and Return
Information.....................................31
WARRANTY ..........................................32
FCC CLASS B ......................................34
LOOKING FOR NEW IDEAS................34