Sentry CA756 User Manual

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that your data is safely stored as long as power is being
supplied to the memory. Data stored in memory will be
irreparably damaged or lost entirely if you let battery power
become too low, if you make a mistake while replacing
batteries, or if power is cut off. Data can also be damaged
by strong impact or electrostatic charge, or by
environmental extremes. Once data is damaged or lost, it
cannot be recovered, so we strongly recommend that you
back up all important data.
Contents
About the Power Supply ................................ 7
Battery replacement ..............................................................7
Auto Power Off function ......................................................... 7
Reset operation ...................................................................... 7
Handling Precautions ................................................ 8
1.General Guide ............................................... 9
1-1 Key Markings ............................................................... 9
1-2 How to Read the Display ........................................... 9
Display indicators ......................................................... 9
About the display layout ...............................................10
Exponential display ...................................................... 11
Special display formats ................................................12
1-3 Key Operations ...........................................................13
Special operation keys ................................................ 13
Numeric/Decimal point/Exponent input keys ............18
Calculation keys ................................................. 19
Graph keys ........................................................ 21
Function keys ..................................................... 21
Contrast adjustment ............................................ 25
1-4 Before Beginning Calculations .....................26
Calculation priority sequence .............................. 26
Number of stacks .............................................. 27
Calculation modes ............................................. 28
Number of input/output digits and Calculation
digits ................................................................ 29
Overflow and errors ........................................... 30
Number of input characters ................................. 31
Graphic and text displays .......................................... 31
Corrections ....................................................... 32
Memory ............................................................ 33
Memory expansion ............................................ 35
2. Manual Calculations ................................ 37
2-1 Basic Calculations ............................................ 37
Arithmetic operations .......................................... 37
Parenthesis calculations ..................................... 38
Memory calculations .......................................... 39
Specifying the number of decimal places,
the number of significant digits and the exponent
display ................................................................ 40
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Sentry CA756 Specifications

General

Brand	Sentry
Model	CA756
Category	Calculator
Language	English