Calculated Industries 4050 v3.1 - Manual (Page 12)

P
OCKET
R
EFERENCE
G
UIDE
— 8
Stair Settings
You may set “desired Riser height” and
“desired Tread width” to any
value by
using the following keys:
Ç 7 Riser Height — Stores a
desired Riser height other
than 7-1/2”
(default). For
example, enter 8 Inches:
8 i З 7 .
З 9 Tread Width — Stores a
desired Tread width other
than 10”
(default). For
example, enter 12 Inches:
1 2 i Ç 9 .
Miscellaneous Functions
B Backspace Key — Used
to delete entries one key-
stroke at a time (unlike the
o function, which deletes
the entire entry).
З ч 1/x — Finds the reciprocal
of a number (e.g.,
8 З
ч 0.125).
З x Clear All — Returns all
stored values to the default
settings. (Does not affect
Preference Settings.)
Ç – (+/–) Toggle
Ç + Pi (
π
) 3.141593