Calculated Industries 4090 Sheet Metal/HVAC Pro Calc Calculator, Advanced Construction-Math for Sheet Metal, HVAC Pros with Fan Law Functions, ArcK Built-in Constant, Laws of Cosines, Offset Functions

User Manual - Page 110

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USERS GUIDE 109
(Cont’d)
PREFERENCE OPTIONS
8) Irregular Jack Rafters *OC-OC (On-Center spacing
O-C or Mate maintained on both Regular and
Irregular sides)
JAC-JAC (Regular/Irregular Jack
rafters “mate” at the Hip/Valley, i.e., On-
Center spacing not maintained on both
sides)
9) Exponent Off or On *On (Exponential Mode is On; turns
on Auto-Ranging; i.e., if display can’t
show seven digits, will display in next
largest unit)
Off (Exponential Mode is Off)
10) Meter Linear Display *0.000 (Linear Meter answers always
11) Degrees Displayed
12) Mathematical
Operations
13) Fractional Mode
displayed to third
decimal place)
FLOAT (Linear Meter answers dis-
played to the maximum number of deci-
mal points, as entered e.g., 1.234
Meters + 2.56 Meters = 3.794 Meters)
*FLOAT
0.00°
*Order (Order of Operations Method
of Calculating)
Chain (Chain Method)
*Standard (fractions are displayed to
the nearest fraction)
Constant (fractions are displayed in
the set fractional resolution)
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